Home / 5,529.70-7,630.92-3,171.82

Finding the Fourth Proportional to 5,529.70, 7,630.92 and 3,171.82

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Solution

The fourth proportional to 5,529.70, 7,630.92 and 3,171.82 is: 4,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.70 : 7,630.92 = 3,171.82 : x
  2. Step 2: Convert to fraction form
    5,529.70/7,630.92 = 3,171.82/x
  3. Step 3: Cross multiply
    5,529.70x = 7,630.92 × 3,171.82
  4. Step 4: Simplify right side
    5,529.70x = 24,203,904.67
  5. Step 5: Solve for x
    x = 24,203,904.67/5,529.70
  6. Step 6: Final answer
    x = 4,377.07

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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.