Home / 7,489.28-11,236.08-2,295.92

Finding the Fourth Proportional to 7,489.28, 11,236.08 and 2,295.92

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Solution

The fourth proportional to 7,489.28, 11,236.08 and 2,295.92 is: 3,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.28 : 11,236.08 = 2,295.92 : x
  2. Step 2: Convert to fraction form
    7,489.28/11,236.08 = 2,295.92/x
  3. Step 3: Cross multiply
    7,489.28x = 11,236.08 × 2,295.92
  4. Step 4: Simplify right side
    7,489.28x = 25,797,140.79
  5. Step 5: Solve for x
    x = 25,797,140.79/7,489.28
  6. Step 6: Final answer
    x = 3,444.54

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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.