Home / 5,469.12-8,203.71-2,182.47

Finding the Fourth Proportional to 5,469.12, 8,203.71 and 2,182.47

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Solution

The fourth proportional to 5,469.12, 8,203.71 and 2,182.47 is: 3,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.12 : 8,203.71 = 2,182.47 : x
  2. Step 2: Convert to fraction form
    5,469.12/8,203.71 = 2,182.47/x
  3. Step 3: Cross multiply
    5,469.12x = 8,203.71 × 2,182.47
  4. Step 4: Simplify right side
    5,469.12x = 17,904,350.96
  5. Step 5: Solve for x
    x = 17,904,350.96/5,469.12
  6. Step 6: Final answer
    x = 3,273.72

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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.