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Finding the Fourth Proportional to 6,753, 9,319.38 and 3,958.68

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Solution

The fourth proportional to 6,753, 9,319.38 and 3,958.68 is: 5,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753 : 9,319.38 = 3,958.68 : x
  2. Step 2: Convert to fraction form
    6,753/9,319.38 = 3,958.68/x
  3. Step 3: Cross multiply
    6,753x = 9,319.38 × 3,958.68
  4. Step 4: Simplify right side
    6,753x = 36,892,443.22
  5. Step 5: Solve for x
    x = 36,892,443.22/6,753
  6. Step 6: Final answer
    x = 5,463.12

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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.