Home / 5,592.20-8,387.96-3,121.47

Finding the Fourth Proportional to 5,592.20, 8,387.96 and 3,121.47

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Solution

The fourth proportional to 5,592.20, 8,387.96 and 3,121.47 is: 4,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592.20 : 8,387.96 = 3,121.47 : x
  2. Step 2: Convert to fraction form
    5,592.20/8,387.96 = 3,121.47/x
  3. Step 3: Cross multiply
    5,592.20x = 8,387.96 × 3,121.47
  4. Step 4: Simplify right side
    5,592.20x = 26,182,749.89
  5. Step 5: Solve for x
    x = 26,182,749.89/5,592.20
  6. Step 6: Final answer
    x = 4,682.02

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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.