Home / 6,251.32-8,626.82-3,418.68

Finding the Fourth Proportional to 6,251.32, 8,626.82 and 3,418.68

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Solution

The fourth proportional to 6,251.32, 8,626.82 and 3,418.68 is: 4,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.32 : 8,626.82 = 3,418.68 : x
  2. Step 2: Convert to fraction form
    6,251.32/8,626.82 = 3,418.68/x
  3. Step 3: Cross multiply
    6,251.32x = 8,626.82 × 3,418.68
  4. Step 4: Simplify right side
    6,251.32x = 29,492,337.00
  5. Step 5: Solve for x
    x = 29,492,337.00/6,251.32
  6. Step 6: Final answer
    x = 4,717.78

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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.