Home / 5,468.24-8,197.92-2,178.15

Finding the Fourth Proportional to 5,468.24, 8,197.92 and 2,178.15

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Solution

The fourth proportional to 5,468.24, 8,197.92 and 2,178.15 is: 3,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.24 : 8,197.92 = 2,178.15 : x
  2. Step 2: Convert to fraction form
    5,468.24/8,197.92 = 2,178.15/x
  3. Step 3: Cross multiply
    5,468.24x = 8,197.92 × 2,178.15
  4. Step 4: Simplify right side
    5,468.24x = 17,856,299.45
  5. Step 5: Solve for x
    x = 17,856,299.45/5,468.24
  6. Step 6: Final answer
    x = 3,265.46

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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.