Home / 5,545.66-7,652.38-3,188.56

Finding the Fourth Proportional to 5,545.66, 7,652.38 and 3,188.56

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Solution

The fourth proportional to 5,545.66, 7,652.38 and 3,188.56 is: 4,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.66 : 7,652.38 = 3,188.56 : x
  2. Step 2: Convert to fraction form
    5,545.66/7,652.38 = 3,188.56/x
  3. Step 3: Cross multiply
    5,545.66x = 7,652.38 × 3,188.56
  4. Step 4: Simplify right side
    5,545.66x = 24,400,018.57
  5. Step 5: Solve for x
    x = 24,400,018.57/5,545.66
  6. Step 6: Final answer
    x = 4,399.84

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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.