Home / 5,545.92-7,652.80-3,187.60

Finding the Fourth Proportional to 5,545.92, 7,652.80 and 3,187.60

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Solution

The fourth proportional to 5,545.92, 7,652.80 and 3,187.60 is: 4,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.92 : 7,652.80 = 3,187.60 : x
  2. Step 2: Convert to fraction form
    5,545.92/7,652.80 = 3,187.60/x
  3. Step 3: Cross multiply
    5,545.92x = 7,652.80 × 3,187.60
  4. Step 4: Simplify right side
    5,545.92x = 24,394,065.28
  5. Step 5: Solve for x
    x = 24,394,065.28/5,545.92
  6. Step 6: Final answer
    x = 4,398.56

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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.