Home / 7,738.11-11,609.70-2,474.01

Finding the Fourth Proportional to 7,738.11, 11,609.70 and 2,474.01

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Solution

The fourth proportional to 7,738.11, 11,609.70 and 2,474.01 is: 3,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.11 : 11,609.70 = 2,474.01 : x
  2. Step 2: Convert to fraction form
    7,738.11/11,609.70 = 2,474.01/x
  3. Step 3: Cross multiply
    7,738.11x = 11,609.70 × 2,474.01
  4. Step 4: Simplify right side
    7,738.11x = 28,722,513.90
  5. Step 5: Solve for x
    x = 28,722,513.90/7,738.11
  6. Step 6: Final answer
    x = 3,711.83

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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.