Home / 5,691.33-7,853.56-3,173.24

Finding the Fourth Proportional to 5,691.33, 7,853.56 and 3,173.24

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Solution

The fourth proportional to 5,691.33, 7,853.56 and 3,173.24 is: 4,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.33 : 7,853.56 = 3,173.24 : x
  2. Step 2: Convert to fraction form
    5,691.33/7,853.56 = 3,173.24/x
  3. Step 3: Cross multiply
    5,691.33x = 7,853.56 × 3,173.24
  4. Step 4: Simplify right side
    5,691.33x = 24,921,242.44
  5. Step 5: Solve for x
    x = 24,921,242.44/5,691.33
  6. Step 6: Final answer
    x = 4,378.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.