4592 rounds to 4592 if you round to the nearest tenth, as tenth relates to decimal figures which aren't included in the number you gave.
However, 4592 rounds to 4590 if you round to the nearest ten.
round 48.6 to the nearest tenth
Round 3.7416573 to the nearest tenth is 3.7
To the nearest tenth it is 2796.
It then is 0.7 to the nearest tenth
24.6 Round 24.583 to the nearest tenth? => 24.600
round 48.6 to the nearest tenth
Round 3.7416573 to the nearest tenth is 3.7
To the nearest tenth it is 2796.
118.0
It then is 471.4 to the nearest tenth
It is 61.9 to the nearest tenth
It then is 0.7 to the nearest tenth
It is 263.8 to the nearest tenth
4.4, to the nearest tenth.
24.6 Round 24.583 to the nearest tenth? => 24.600
6.3 is the nearest tenth...
It then is 1.5 when rounded to the nearest tenth