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Finding the Fourth Proportional to 3,093.56, 4,265.84 and 1,974.54

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Solution

The fourth proportional to 3,093.56, 4,265.84 and 1,974.54 is: 2,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.56 : 4,265.84 = 1,974.54 : x
  2. Step 2: Convert to fraction form
    3,093.56/4,265.84 = 1,974.54/x
  3. Step 3: Cross multiply
    3,093.56x = 4,265.84 × 1,974.54
  4. Step 4: Simplify right side
    3,093.56x = 8,423,081.54
  5. Step 5: Solve for x
    x = 8,423,081.54/3,093.56
  6. Step 6: Final answer
    x = 2,722.78

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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.