Home / 7,534.68-11,305.09-2,607.78

Finding the Fourth Proportional to 7,534.68, 11,305.09 and 2,607.78

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Solution

The fourth proportional to 7,534.68, 11,305.09 and 2,607.78 is: 3,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.68 : 11,305.09 = 2,607.78 : x
  2. Step 2: Convert to fraction form
    7,534.68/11,305.09 = 2,607.78/x
  3. Step 3: Cross multiply
    7,534.68x = 11,305.09 × 2,607.78
  4. Step 4: Simplify right side
    7,534.68x = 29,481,187.60
  5. Step 5: Solve for x
    x = 29,481,187.60/7,534.68
  6. Step 6: Final answer
    x = 3,912.73

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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.