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Finding the Fourth Proportional to 3,910.92, 5,867.74 and 2,448.32

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Solution

The fourth proportional to 3,910.92, 5,867.74 and 2,448.32 is: 3,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.92 : 5,867.74 = 2,448.32 : x
  2. Step 2: Convert to fraction form
    3,910.92/5,867.74 = 2,448.32/x
  3. Step 3: Cross multiply
    3,910.92x = 5,867.74 × 2,448.32
  4. Step 4: Simplify right side
    3,910.92x = 14,366,105.20
  5. Step 5: Solve for x
    x = 14,366,105.20/3,910.92
  6. Step 6: Final answer
    x = 3,673.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.