Home / 5,273.29-7,909.43-2,153.41

Finding the Fourth Proportional to 5,273.29, 7,909.43 and 2,153.41

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Solution

The fourth proportional to 5,273.29, 7,909.43 and 2,153.41 is: 3,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.29 : 7,909.43 = 2,153.41 : x
  2. Step 2: Convert to fraction form
    5,273.29/7,909.43 = 2,153.41/x
  3. Step 3: Cross multiply
    5,273.29x = 7,909.43 × 2,153.41
  4. Step 4: Simplify right side
    5,273.29x = 17,032,245.66
  5. Step 5: Solve for x
    x = 17,032,245.66/5,273.29
  6. Step 6: Final answer
    x = 3,229.91

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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.