Home / 4,104.72-6,138.78-3,645.48

Finding the Fourth Proportional to 4,104.72, 6,138.78 and 3,645.48

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Solution

The fourth proportional to 4,104.72, 6,138.78 and 3,645.48 is: 5,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.72 : 6,138.78 = 3,645.48 : x
  2. Step 2: Convert to fraction form
    4,104.72/6,138.78 = 3,645.48/x
  3. Step 3: Cross multiply
    4,104.72x = 6,138.78 × 3,645.48
  4. Step 4: Simplify right side
    4,104.72x = 22,378,799.71
  5. Step 5: Solve for x
    x = 22,378,799.71/4,104.72
  6. Step 6: Final answer
    x = 5,451.97

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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.