Home / 7,232.20-10,831-3,712.96

Finding the Fourth Proportional to 7,232.20, 10,831 and 3,712.96

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Solution

The fourth proportional to 7,232.20, 10,831 and 3,712.96 is: 5,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.20 : 10,831 = 3,712.96 : x
  2. Step 2: Convert to fraction form
    7,232.20/10,831 = 3,712.96/x
  3. Step 3: Cross multiply
    7,232.20x = 10,831 × 3,712.96
  4. Step 4: Simplify right side
    7,232.20x = 40,215,069.76
  5. Step 5: Solve for x
    x = 40,215,069.76/7,232.20
  6. Step 6: Final answer
    x = 5,560.56

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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.