Home / 3,967.59-5,475.33-2,175.24

Finding the Fourth Proportional to 3,967.59, 5,475.33 and 2,175.24

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Solution

The fourth proportional to 3,967.59, 5,475.33 and 2,175.24 is: 3,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.59 : 5,475.33 = 2,175.24 : x
  2. Step 2: Convert to fraction form
    3,967.59/5,475.33 = 2,175.24/x
  3. Step 3: Cross multiply
    3,967.59x = 5,475.33 × 2,175.24
  4. Step 4: Simplify right side
    3,967.59x = 11,910,130.86
  5. Step 5: Solve for x
    x = 11,910,130.86/3,967.59
  6. Step 6: Final answer
    x = 3,001.86

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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.