Home / 5,588.28-7,711.20-3,231.24

Finding the Fourth Proportional to 5,588.28, 7,711.20 and 3,231.24

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Solution

The fourth proportional to 5,588.28, 7,711.20 and 3,231.24 is: 4,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.28 : 7,711.20 = 3,231.24 : x
  2. Step 2: Convert to fraction form
    5,588.28/7,711.20 = 3,231.24/x
  3. Step 3: Cross multiply
    5,588.28x = 7,711.20 × 3,231.24
  4. Step 4: Simplify right side
    5,588.28x = 24,916,737.89
  5. Step 5: Solve for x
    x = 24,916,737.89/5,588.28
  6. Step 6: Final answer
    x = 4,458.75

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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.