Home / 3,951.68-5,453.52-2,183.48

Finding the Fourth Proportional to 3,951.68, 5,453.52 and 2,183.48

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Solution

The fourth proportional to 3,951.68, 5,453.52 and 2,183.48 is: 3,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.68 : 5,453.52 = 2,183.48 : x
  2. Step 2: Convert to fraction form
    3,951.68/5,453.52 = 2,183.48/x
  3. Step 3: Cross multiply
    3,951.68x = 5,453.52 × 2,183.48
  4. Step 4: Simplify right side
    3,951.68x = 11,907,651.85
  5. Step 5: Solve for x
    x = 11,907,651.85/3,951.68
  6. Step 6: Final answer
    x = 3,013.31

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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.