Home / 6,702.20-9,249.53-3,718.61

Finding the Fourth Proportional to 6,702.20, 9,249.53 and 3,718.61

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Solution

The fourth proportional to 6,702.20, 9,249.53 and 3,718.61 is: 5,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.20 : 9,249.53 = 3,718.61 : x
  2. Step 2: Convert to fraction form
    6,702.20/9,249.53 = 3,718.61/x
  3. Step 3: Cross multiply
    6,702.20x = 9,249.53 × 3,718.61
  4. Step 4: Simplify right side
    6,702.20x = 34,395,329.91
  5. Step 5: Solve for x
    x = 34,395,329.91/6,702.20
  6. Step 6: Final answer
    x = 5,131.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.