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Finding the Fourth Proportional to 2,793.39, 3,855.96 and 2,096.79

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Solution

The fourth proportional to 2,793.39, 3,855.96 and 2,096.79 is: 2,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.39 : 3,855.96 = 2,096.79 : x
  2. Step 2: Convert to fraction form
    2,793.39/3,855.96 = 2,096.79/x
  3. Step 3: Cross multiply
    2,793.39x = 3,855.96 × 2,096.79
  4. Step 4: Simplify right side
    2,793.39x = 8,085,138.37
  5. Step 5: Solve for x
    x = 8,085,138.37/2,793.39
  6. Step 6: Final answer
    x = 2,894.38

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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.