Home / 6,481.10-9,723.20-2,098.56

Finding the Fourth Proportional to 6,481.10, 9,723.20 and 2,098.56

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Solution

The fourth proportional to 6,481.10, 9,723.20 and 2,098.56 is: 3,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.10 : 9,723.20 = 2,098.56 : x
  2. Step 2: Convert to fraction form
    6,481.10/9,723.20 = 2,098.56/x
  3. Step 3: Cross multiply
    6,481.10x = 9,723.20 × 2,098.56
  4. Step 4: Simplify right side
    6,481.10x = 20,404,718.59
  5. Step 5: Solve for x
    x = 20,404,718.59/6,481.10
  6. Step 6: Final answer
    x = 3,148.34

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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.