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Finding the Fourth Proportional to 3,793.52, 5,235.18 and 2,114.94

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Solution

The fourth proportional to 3,793.52, 5,235.18 and 2,114.94 is: 2,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.52 : 5,235.18 = 2,114.94 : x
  2. Step 2: Convert to fraction form
    3,793.52/5,235.18 = 2,114.94/x
  3. Step 3: Cross multiply
    3,793.52x = 5,235.18 × 2,114.94
  4. Step 4: Simplify right side
    3,793.52x = 11,072,091.59
  5. Step 5: Solve for x
    x = 11,072,091.59/3,793.52
  6. Step 6: Final answer
    x = 2,918.69

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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.