Home / 7,431.92-11,149.56-3,735.92

Finding the Fourth Proportional to 7,431.92, 11,149.56 and 3,735.92

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Solution

The fourth proportional to 7,431.92, 11,149.56 and 3,735.92 is: 5,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.92 : 11,149.56 = 3,735.92 : x
  2. Step 2: Convert to fraction form
    7,431.92/11,149.56 = 3,735.92/x
  3. Step 3: Cross multiply
    7,431.92x = 11,149.56 × 3,735.92
  4. Step 4: Simplify right side
    7,431.92x = 41,653,864.20
  5. Step 5: Solve for x
    x = 41,653,864.20/7,431.92
  6. Step 6: Final answer
    x = 5,604.72

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1.5x scale

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.