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Finding the Fourth Proportional to 6,373.41, 8,792.92 and 4,135.78

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Solution

The fourth proportional to 6,373.41, 8,792.92 and 4,135.78 is: 5,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.41 : 8,792.92 = 4,135.78 : x
  2. Step 2: Convert to fraction form
    6,373.41/8,792.92 = 4,135.78/x
  3. Step 3: Cross multiply
    6,373.41x = 8,792.92 × 4,135.78
  4. Step 4: Simplify right side
    6,373.41x = 36,365,582.68
  5. Step 5: Solve for x
    x = 36,365,582.68/6,373.41
  6. Step 6: Final answer
    x = 5,705.83

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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.