Home / 7,432.53-11,142.65-3,481.84

Finding the Fourth Proportional to 7,432.53, 11,142.65 and 3,481.84

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Solution

The fourth proportional to 7,432.53, 11,142.65 and 3,481.84 is: 5,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.53 : 11,142.65 = 3,481.84 : x
  2. Step 2: Convert to fraction form
    7,432.53/11,142.65 = 3,481.84/x
  3. Step 3: Cross multiply
    7,432.53x = 11,142.65 × 3,481.84
  4. Step 4: Simplify right side
    7,432.53x = 38,796,924.48
  5. Step 5: Solve for x
    x = 38,796,924.48/7,432.53
  6. Step 6: Final answer
    x = 5,219.88

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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.