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MA_775_DIABLO [31]
2 years ago
9

Select proportional or not proportional to correctly classify the pair of ratios. 1.2/3 and 1.8/4.5

Mathematics
2 answers:
satela [25.4K]2 years ago
8 0

Answer:Proportional

Step-by-step explanation:

Gnesinka [82]2 years ago
6 0

Answer:

Proportional.

Step-by-step explanation:

Find the cross products. If they are same, then they are proportional.

\dfrac{1.2}{3} = \dfrac{1.8}{4.5}

Cross multiply,

1.2 * 4 .5       =         3*1.8

      5.40      = 5.4

So, they are proportional.

Or

Multiply the numerator and denominator of 1.2/3 by 1.5

\dfrac{1.2*1.5}{3*1.5}=\dfrac{1.8}{4.5}

From this we come to know they are proportional

Or

1.2 : 3 :: 1.8 : 4.5

Product of means = 3*1.8 = 5.4

Product of extremes = 1.2*4.5 = 5.4

Product of means = product of extremes. So, they are proportional.

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