Home / 7,565.50-11,354.40-3,669.90

Finding the Fourth Proportional to 7,565.50, 11,354.40 and 3,669.90

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Solution

The fourth proportional to 7,565.50, 11,354.40 and 3,669.90 is: 5,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.50 : 11,354.40 = 3,669.90 : x
  2. Step 2: Convert to fraction form
    7,565.50/11,354.40 = 3,669.90/x
  3. Step 3: Cross multiply
    7,565.50x = 11,354.40 × 3,669.90
  4. Step 4: Simplify right side
    7,565.50x = 41,669,512.56
  5. Step 5: Solve for x
    x = 41,669,512.56/7,565.50
  6. Step 6: Final answer
    x = 5,507.83

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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.