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Finding the Fourth Proportional to 3,591.54, 4,956.38 and 2,099.21

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Solution

The fourth proportional to 3,591.54, 4,956.38 and 2,099.21 is: 2,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.54 : 4,956.38 = 2,099.21 : x
  2. Step 2: Convert to fraction form
    3,591.54/4,956.38 = 2,099.21/x
  3. Step 3: Cross multiply
    3,591.54x = 4,956.38 × 2,099.21
  4. Step 4: Simplify right side
    3,591.54x = 10,404,447.18
  5. Step 5: Solve for x
    x = 10,404,447.18/3,591.54
  6. Step 6: Final answer
    x = 2,896.93

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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.