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Finding the Fourth Proportional to 3,863.35, 5,796.03 and 1,671.56

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Solution

The fourth proportional to 3,863.35, 5,796.03 and 1,671.56 is: 2,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.35 : 5,796.03 = 1,671.56 : x
  2. Step 2: Convert to fraction form
    3,863.35/5,796.03 = 1,671.56/x
  3. Step 3: Cross multiply
    3,863.35x = 5,796.03 × 1,671.56
  4. Step 4: Simplify right side
    3,863.35x = 9,688,411.91
  5. Step 5: Solve for x
    x = 9,688,411.91/3,863.35
  6. Step 6: Final answer
    x = 2,507.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.