Home / 7,402.55-11,104.02-3,240.41

Finding the Fourth Proportional to 7,402.55, 11,104.02 and 3,240.41

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Solution

The fourth proportional to 7,402.55, 11,104.02 and 3,240.41 is: 4,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.55 : 11,104.02 = 3,240.41 : x
  2. Step 2: Convert to fraction form
    7,402.55/11,104.02 = 3,240.41/x
  3. Step 3: Cross multiply
    7,402.55x = 11,104.02 × 3,240.41
  4. Step 4: Simplify right side
    7,402.55x = 35,981,521.93
  5. Step 5: Solve for x
    x = 35,981,521.93/7,402.55
  6. Step 6: Final answer
    x = 4,860.70

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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.