Home / 5,403.31-8,104.51-2,481.61

Finding the Fourth Proportional to 5,403.31, 8,104.51 and 2,481.61

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Solution

The fourth proportional to 5,403.31, 8,104.51 and 2,481.61 is: 3,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.31 : 8,104.51 = 2,481.61 : x
  2. Step 2: Convert to fraction form
    5,403.31/8,104.51 = 2,481.61/x
  3. Step 3: Cross multiply
    5,403.31x = 8,104.51 × 2,481.61
  4. Step 4: Simplify right side
    5,403.31x = 20,112,239.93
  5. Step 5: Solve for x
    x = 20,112,239.93/5,403.31
  6. Step 6: Final answer
    x = 3,722.21

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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.