Home / 5,529.17-7,629.03-3,171.32

Finding the Fourth Proportional to 5,529.17, 7,629.03 and 3,171.32

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Solution

The fourth proportional to 5,529.17, 7,629.03 and 3,171.32 is: 4,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.17 : 7,629.03 = 3,171.32 : x
  2. Step 2: Convert to fraction form
    5,529.17/7,629.03 = 3,171.32/x
  3. Step 3: Cross multiply
    5,529.17x = 7,629.03 × 3,171.32
  4. Step 4: Simplify right side
    5,529.17x = 24,194,057.27
  5. Step 5: Solve for x
    x = 24,194,057.27/5,529.17
  6. Step 6: Final answer
    x = 4,375.71

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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.