Home / 6,542.20-9,815.91-2,382.49

Finding the Fourth Proportional to 6,542.20, 9,815.91 and 2,382.49

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Solution

The fourth proportional to 6,542.20, 9,815.91 and 2,382.49 is: 3,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.20 : 9,815.91 = 2,382.49 : x
  2. Step 2: Convert to fraction form
    6,542.20/9,815.91 = 2,382.49/x
  3. Step 3: Cross multiply
    6,542.20x = 9,815.91 × 2,382.49
  4. Step 4: Simplify right side
    6,542.20x = 23,386,310.75
  5. Step 5: Solve for x
    x = 23,386,310.75/6,542.20
  6. Step 6: Final answer
    x = 3,574.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.