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Finding the Fourth Proportional to 2,793.46, 3,854.87 and 1,534.47

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Solution

The fourth proportional to 2,793.46, 3,854.87 and 1,534.47 is: 2,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.46 : 3,854.87 = 1,534.47 : x
  2. Step 2: Convert to fraction form
    2,793.46/3,854.87 = 1,534.47/x
  3. Step 3: Cross multiply
    2,793.46x = 3,854.87 × 1,534.47
  4. Step 4: Simplify right side
    2,793.46x = 5,915,182.37
  5. Step 5: Solve for x
    x = 5,915,182.37/2,793.46
  6. Step 6: Final answer
    x = 2,117.51

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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.