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Finding the Fourth Proportional to 3,797.66, 5,236.17 and 2,947.16

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Solution

The fourth proportional to 3,797.66, 5,236.17 and 2,947.16 is: 4,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.66 : 5,236.17 = 2,947.16 : x
  2. Step 2: Convert to fraction form
    3,797.66/5,236.17 = 2,947.16/x
  3. Step 3: Cross multiply
    3,797.66x = 5,236.17 × 2,947.16
  4. Step 4: Simplify right side
    3,797.66x = 15,431,830.78
  5. Step 5: Solve for x
    x = 15,431,830.78/3,797.66
  6. Step 6: Final answer
    x = 4,063.51

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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.