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Finding the Fourth Proportional to 3,191.44, 4,404.14 and 1,794.18

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Solution

The fourth proportional to 3,191.44, 4,404.14 and 1,794.18 is: 2,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.44 : 4,404.14 = 1,794.18 : x
  2. Step 2: Convert to fraction form
    3,191.44/4,404.14 = 1,794.18/x
  3. Step 3: Cross multiply
    3,191.44x = 4,404.14 × 1,794.18
  4. Step 4: Simplify right side
    3,191.44x = 7,901,819.91
  5. Step 5: Solve for x
    x = 7,901,819.91/3,191.44
  6. Step 6: Final answer
    x = 2,475.94

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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.