Home / 6,251.18-8,626.46-3,418.47

Finding the Fourth Proportional to 6,251.18, 8,626.46 and 3,418.47

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Solution

The fourth proportional to 6,251.18, 8,626.46 and 3,418.47 is: 4,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.18 : 8,626.46 = 3,418.47 : x
  2. Step 2: Convert to fraction form
    6,251.18/8,626.46 = 3,418.47/x
  3. Step 3: Cross multiply
    6,251.18x = 8,626.46 × 3,418.47
  4. Step 4: Simplify right side
    6,251.18x = 29,489,277.62
  5. Step 5: Solve for x
    x = 29,489,277.62/6,251.18
  6. Step 6: Final answer
    x = 4,717.40

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1.5x scale

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.