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Finding the Fourth Proportional to 4,697.43, 6,479.97 and 3,811.68

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Solution

The fourth proportional to 4,697.43, 6,479.97 and 3,811.68 is: 5,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.43 : 6,479.97 = 3,811.68 : x
  2. Step 2: Convert to fraction form
    4,697.43/6,479.97 = 3,811.68/x
  3. Step 3: Cross multiply
    4,697.43x = 6,479.97 × 3,811.68
  4. Step 4: Simplify right side
    4,697.43x = 24,699,572.05
  5. Step 5: Solve for x
    x = 24,699,572.05/4,697.43
  6. Step 6: Final answer
    x = 5,258.10

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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.