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Finding the Fourth Proportional to 5,839.97, 8,059.19 and 3,187.31

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Solution

The fourth proportional to 5,839.97, 8,059.19 and 3,187.31 is: 4,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.97 : 8,059.19 = 3,187.31 : x
  2. Step 2: Convert to fraction form
    5,839.97/8,059.19 = 3,187.31/x
  3. Step 3: Cross multiply
    5,839.97x = 8,059.19 × 3,187.31
  4. Step 4: Simplify right side
    5,839.97x = 25,687,080.65
  5. Step 5: Solve for x
    x = 25,687,080.65/5,839.97
  6. Step 6: Final answer
    x = 4,398.50

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1.5x scale

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.