Home / 5,123.26-7,691.37-4,358.62

Finding the Fourth Proportional to 5,123.26, 7,691.37 and 4,358.62

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Solution

The fourth proportional to 5,123.26, 7,691.37 and 4,358.62 is: 6,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.26 : 7,691.37 = 4,358.62 : x
  2. Step 2: Convert to fraction form
    5,123.26/7,691.37 = 4,358.62/x
  3. Step 3: Cross multiply
    5,123.26x = 7,691.37 × 4,358.62
  4. Step 4: Simplify right side
    5,123.26x = 33,523,759.11
  5. Step 5: Solve for x
    x = 33,523,759.11/5,123.26
  6. Step 6: Final answer
    x = 6,543.44

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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.