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Finding the Fourth Proportional to 3,950.93, 5,452 and 2,182.39

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Solution

The fourth proportional to 3,950.93, 5,452 and 2,182.39 is: 3,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.93 : 5,452 = 2,182.39 : x
  2. Step 2: Convert to fraction form
    3,950.93/5,452 = 2,182.39/x
  3. Step 3: Cross multiply
    3,950.93x = 5,452 × 2,182.39
  4. Step 4: Simplify right side
    3,950.93x = 11,898,390.28
  5. Step 5: Solve for x
    x = 11,898,390.28/3,950.93
  6. Step 6: Final answer
    x = 3,011.54

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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.