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gogolik [260]
3 years ago
13

Is the ratio 4.2:1.5 proportional to the ratio 12:5? Explain.

Mathematics
1 answer:
Viktor [21]3 years ago
5 0

Answer:

No.

Step-by-step explanation:

We can set this proportion up as:

\frac{4.2}{1.5}=\frac{12}{5}

For this to be true, cross-products need to be equal:

4.2(5)=12(1.5),

However, we can see that this is not the case:

4.2\cdot 5 \neq 12 \cdot 1.5

Therefore, these ratios are not proportional.

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