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Finding the Fourth Proportional to 3,141.76, 4,713.36 and 1,193.92

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Solution

The fourth proportional to 3,141.76, 4,713.36 and 1,193.92 is: 1,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.76 : 4,713.36 = 1,193.92 : x
  2. Step 2: Convert to fraction form
    3,141.76/4,713.36 = 1,193.92/x
  3. Step 3: Cross multiply
    3,141.76x = 4,713.36 × 1,193.92
  4. Step 4: Simplify right side
    3,141.76x = 5,627,374.77
  5. Step 5: Solve for x
    x = 5,627,374.77/3,141.76
  6. Step 6: Final answer
    x = 1,791.15

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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.