Home / 5,028.72-7,545.24-2,107.68

Finding the Fourth Proportional to 5,028.72, 7,545.24 and 2,107.68

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Solution

The fourth proportional to 5,028.72, 7,545.24 and 2,107.68 is: 3,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.72 : 7,545.24 = 2,107.68 : x
  2. Step 2: Convert to fraction form
    5,028.72/7,545.24 = 2,107.68/x
  3. Step 3: Cross multiply
    5,028.72x = 7,545.24 × 2,107.68
  4. Step 4: Simplify right side
    5,028.72x = 15,902,951.44
  5. Step 5: Solve for x
    x = 15,902,951.44/5,028.72
  6. Step 6: Final answer
    x = 3,162.43

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1.5x scale

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.