Home / 5,402.24-8,092.20-2,631.20

Finding the Fourth Proportional to 5,402.24, 8,092.20 and 2,631.20

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Solution

The fourth proportional to 5,402.24, 8,092.20 and 2,631.20 is: 3,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.24 : 8,092.20 = 2,631.20 : x
  2. Step 2: Convert to fraction form
    5,402.24/8,092.20 = 2,631.20/x
  3. Step 3: Cross multiply
    5,402.24x = 8,092.20 × 2,631.20
  4. Step 4: Simplify right side
    5,402.24x = 21,292,196.64
  5. Step 5: Solve for x
    x = 21,292,196.64/5,402.24
  6. Step 6: Final answer
    x = 3,941.36

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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.