Question

In the proportion 35 over 140 equals 5 over x , which number is equal to x in the proportion?

Answer 1

x=20

35x4=140 so 5x4=20

Whatever you multiply the first number by, you also use that same number for the second number. You multiplied 35 by 4 to get 140 so you would use that same 4 and multiply it with 5.

5x4=20 so x=20