$6.52
Step-by-step explanation:
19.62/3.6= 6.54
My guess is 3,780 you have to multiply
<span>To check if multiple ratios are proportional, you could write them as fractions then you would have to reduce them and compare them. If the reduced fractions are all the same, then the ratios are proportional. </span>
I believe the answer is 1/7