Home / 7,402.65-11,100.20-2,207.85

Finding the Fourth Proportional to 7,402.65, 11,100.20 and 2,207.85

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Solution

The fourth proportional to 7,402.65, 11,100.20 and 2,207.85 is: 3,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.65 : 11,100.20 = 2,207.85 : x
  2. Step 2: Convert to fraction form
    7,402.65/11,100.20 = 2,207.85/x
  3. Step 3: Cross multiply
    7,402.65x = 11,100.20 × 2,207.85
  4. Step 4: Simplify right side
    7,402.65x = 24,507,565.53
  5. Step 5: Solve for x
    x = 24,507,565.53/7,402.65
  6. Step 6: Final answer
    x = 3,310.65

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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.