Answer:
the other number is 6350 
Explanation:
given data 
difference between two numbers = 2790 
smaller number = 3560
to find out 
the other number
solution
we consider here larger number = x 
smaller number = y 
 so 
so difference between two number is express as
difference between two number = x - y ....................1
put here value and we get another number i.e large number 
2790 = x - 3560 
solve it we get 
x = 6350 
so the other number is 6350