Question

7 1/2 : 4 1/2=x: 3/25

Answer 1

7 1/2 : 4 1/2 = x : 3/25 
x= 7 1/2 * 3/25 : 4 1/2
x = 15/2 * 3/25 * 2/9
x = 1/5 = 0,2