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Finding the Fourth Proportional to 3,910.08, 5,867.43 and 1,446.63

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Solution

The fourth proportional to 3,910.08, 5,867.43 and 1,446.63 is: 2,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.08 : 5,867.43 = 1,446.63 : x
  2. Step 2: Convert to fraction form
    3,910.08/5,867.43 = 1,446.63/x
  3. Step 3: Cross multiply
    3,910.08x = 5,867.43 × 1,446.63
  4. Step 4: Simplify right side
    3,910.08x = 8,488,000.26
  5. Step 5: Solve for x
    x = 8,488,000.26/3,910.08
  6. Step 6: Final answer
    x = 2,170.80

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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.