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Finding the Fourth Proportional to 3,950.67, 5,918.27 and 2,630.58

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Solution

The fourth proportional to 3,950.67, 5,918.27 and 2,630.58 is: 3,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.67 : 5,918.27 = 2,630.58 : x
  2. Step 2: Convert to fraction form
    3,950.67/5,918.27 = 2,630.58/x
  3. Step 3: Cross multiply
    3,950.67x = 5,918.27 × 2,630.58
  4. Step 4: Simplify right side
    3,950.67x = 15,568,447.35
  5. Step 5: Solve for x
    x = 15,568,447.35/3,950.67
  6. Step 6: Final answer
    x = 3,940.71

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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.