Home / 1,839.33-2,538.12-1,011.33

Finding the Fourth Proportional to 1,839.33, 2,538.12 and 1,011.33

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Solution

The fourth proportional to 1,839.33, 2,538.12 and 1,011.33 is: 1,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.33 : 2,538.12 = 1,011.33 : x
  2. Step 2: Convert to fraction form
    1,839.33/2,538.12 = 1,011.33/x
  3. Step 3: Cross multiply
    1,839.33x = 2,538.12 × 1,011.33
  4. Step 4: Simplify right side
    1,839.33x = 2,566,876.90
  5. Step 5: Solve for x
    x = 2,566,876.90/1,839.33
  6. Step 6: Final answer
    x = 1,395.55

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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.