Home / 5,167.80-7,747.94-2,046.20

Finding the Fourth Proportional to 5,167.80, 7,747.94 and 2,046.20

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Solution

The fourth proportional to 5,167.80, 7,747.94 and 2,046.20 is: 3,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.80 : 7,747.94 = 2,046.20 : x
  2. Step 2: Convert to fraction form
    5,167.80/7,747.94 = 2,046.20/x
  3. Step 3: Cross multiply
    5,167.80x = 7,747.94 × 2,046.20
  4. Step 4: Simplify right side
    5,167.80x = 15,853,785.86
  5. Step 5: Solve for x
    x = 15,853,785.86/5,167.80
  6. Step 6: Final answer
    x = 3,067.80

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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.