Home / 5,158.84-7,732.17-2,230.96

Finding the Fourth Proportional to 5,158.84, 7,732.17 and 2,230.96

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Solution

The fourth proportional to 5,158.84, 7,732.17 and 2,230.96 is: 3,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.84 : 7,732.17 = 2,230.96 : x
  2. Step 2: Convert to fraction form
    5,158.84/7,732.17 = 2,230.96/x
  3. Step 3: Cross multiply
    5,158.84x = 7,732.17 × 2,230.96
  4. Step 4: Simplify right side
    5,158.84x = 17,250,161.98
  5. Step 5: Solve for x
    x = 17,250,161.98/5,158.84
  6. Step 6: Final answer
    x = 3,343.81

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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.