Home / 6,488.48-9,732.67-2,540.12

Finding the Fourth Proportional to 6,488.48, 9,732.67 and 2,540.12

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Solution

The fourth proportional to 6,488.48, 9,732.67 and 2,540.12 is: 3,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.48 : 9,732.67 = 2,540.12 : x
  2. Step 2: Convert to fraction form
    6,488.48/9,732.67 = 2,540.12/x
  3. Step 3: Cross multiply
    6,488.48x = 9,732.67 × 2,540.12
  4. Step 4: Simplify right side
    6,488.48x = 24,722,094.71
  5. Step 5: Solve for x
    x = 24,722,094.71/6,488.48
  6. Step 6: Final answer
    x = 3,810.15

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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.