Home / 5,176.62-7,760.70-2,399.76

Finding the Fourth Proportional to 5,176.62, 7,760.70 and 2,399.76

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Solution

The fourth proportional to 5,176.62, 7,760.70 and 2,399.76 is: 3,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.62 : 7,760.70 = 2,399.76 : x
  2. Step 2: Convert to fraction form
    5,176.62/7,760.70 = 2,399.76/x
  3. Step 3: Cross multiply
    5,176.62x = 7,760.70 × 2,399.76
  4. Step 4: Simplify right side
    5,176.62x = 18,623,817.43
  5. Step 5: Solve for x
    x = 18,623,817.43/5,176.62
  6. Step 6: Final answer
    x = 3,597.68

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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.