Home / 6,747.40-10,116.30-2,585.80

Finding the Fourth Proportional to 6,747.40, 10,116.30 and 2,585.80

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Solution

The fourth proportional to 6,747.40, 10,116.30 and 2,585.80 is: 3,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.40 : 10,116.30 = 2,585.80 : x
  2. Step 2: Convert to fraction form
    6,747.40/10,116.30 = 2,585.80/x
  3. Step 3: Cross multiply
    6,747.40x = 10,116.30 × 2,585.80
  4. Step 4: Simplify right side
    6,747.40x = 26,158,728.54
  5. Step 5: Solve for x
    x = 26,158,728.54/6,747.40
  6. Step 6: Final answer
    x = 3,876.86

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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.