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Finding the Fourth Proportional to 3,951.63, 5,452.98 and 2,183.22

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Solution

The fourth proportional to 3,951.63, 5,452.98 and 2,183.22 is: 3,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.63 : 5,452.98 = 2,183.22 : x
  2. Step 2: Convert to fraction form
    3,951.63/5,452.98 = 2,183.22/x
  3. Step 3: Cross multiply
    3,951.63x = 5,452.98 × 2,183.22
  4. Step 4: Simplify right side
    3,951.63x = 11,905,055.00
  5. Step 5: Solve for x
    x = 11,905,055.00/3,951.63
  6. Step 6: Final answer
    x = 3,012.69

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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.