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Finding the Fourth Proportional to 5,193.66, 7,167.27 and 2,835.78

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Solution

The fourth proportional to 5,193.66, 7,167.27 and 2,835.78 is: 3,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.66 : 7,167.27 = 2,835.78 : x
  2. Step 2: Convert to fraction form
    5,193.66/7,167.27 = 2,835.78/x
  3. Step 3: Cross multiply
    5,193.66x = 7,167.27 × 2,835.78
  4. Step 4: Simplify right side
    5,193.66x = 20,324,800.92
  5. Step 5: Solve for x
    x = 20,324,800.92/5,193.66
  6. Step 6: Final answer
    x = 3,913.39

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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.