X is to 5 as 4 is to 7

Question

What is the answer to the question 

Answer 1

"x is to y" expresses a ratio.  It may also be written as "x:y" or as "x/y" (a fraction).

 

"as" means equals

 

"x is to 5 as 4 is to 7"    means    x/5 = 4/7

 

To find the value of x, cross-multiply or just multiply both sides by 5.