Home / 5,672.72-8,502.56-2,207.04

Finding the Fourth Proportional to 5,672.72, 8,502.56 and 2,207.04

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Solution

The fourth proportional to 5,672.72, 8,502.56 and 2,207.04 is: 3,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.72 : 8,502.56 = 2,207.04 : x
  2. Step 2: Convert to fraction form
    5,672.72/8,502.56 = 2,207.04/x
  3. Step 3: Cross multiply
    5,672.72x = 8,502.56 × 2,207.04
  4. Step 4: Simplify right side
    5,672.72x = 18,765,490.02
  5. Step 5: Solve for x
    x = 18,765,490.02/5,672.72
  6. Step 6: Final answer
    x = 3,308.02

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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.