Home / 1,839.97-2,539.43-1,177.57

Finding the Fourth Proportional to 1,839.97, 2,539.43 and 1,177.57

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Solution

The fourth proportional to 1,839.97, 2,539.43 and 1,177.57 is: 1,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.97 : 2,539.43 = 1,177.57 : x
  2. Step 2: Convert to fraction form
    1,839.97/2,539.43 = 1,177.57/x
  3. Step 3: Cross multiply
    1,839.97x = 2,539.43 × 1,177.57
  4. Step 4: Simplify right side
    1,839.97x = 2,990,356.59
  5. Step 5: Solve for x
    x = 2,990,356.59/1,839.97
  6. Step 6: Final answer
    x = 1,625.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.