Home / 5,545.40-7,652.54-3,187.48

Finding the Fourth Proportional to 5,545.40, 7,652.54 and 3,187.48

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Solution

The fourth proportional to 5,545.40, 7,652.54 and 3,187.48 is: 4,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.40 : 7,652.54 = 3,187.48 : x
  2. Step 2: Convert to fraction form
    5,545.40/7,652.54 = 3,187.48/x
  3. Step 3: Cross multiply
    5,545.40x = 7,652.54 × 3,187.48
  4. Step 4: Simplify right side
    5,545.40x = 24,392,318.20
  5. Step 5: Solve for x
    x = 24,392,318.20/5,545.40
  6. Step 6: Final answer
    x = 4,398.66

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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.