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Finding the Fourth Proportional to 3,950.52, 5,921.52 and 2,099.77

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Solution

The fourth proportional to 3,950.52, 5,921.52 and 2,099.77 is: 3,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.52 : 5,921.52 = 2,099.77 : x
  2. Step 2: Convert to fraction form
    3,950.52/5,921.52 = 2,099.77/x
  3. Step 3: Cross multiply
    3,950.52x = 5,921.52 × 2,099.77
  4. Step 4: Simplify right side
    3,950.52x = 12,433,830.05
  5. Step 5: Solve for x
    x = 12,433,830.05/3,950.52
  6. Step 6: Final answer
    x = 3,147.39

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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.