which of thefollowing is irrational?

√ 3/4
-7 8/37
3.6363636363636363...
52.781654292

√ 3/4 is irrational because the square root of a non-perfect square is irrational.

-7 8/37 is rational because it is a fraction.

3.6363636363636363... is rational because it repeats the decimal pattern.

52.781654292 is rational because it is a finite decimal number.