Home / 3,951.74-5,453.39-2,183.36

Finding the Fourth Proportional to 3,951.74, 5,453.39 and 2,183.36

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Solution

The fourth proportional to 3,951.74, 5,453.39 and 2,183.36 is: 3,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.74 : 5,453.39 = 2,183.36 : x
  2. Step 2: Convert to fraction form
    3,951.74/5,453.39 = 2,183.36/x
  3. Step 3: Cross multiply
    3,951.74x = 5,453.39 × 2,183.36
  4. Step 4: Simplify right side
    3,951.74x = 11,906,675.41
  5. Step 5: Solve for x
    x = 11,906,675.41/3,951.74
  6. Step 6: Final answer
    x = 3,013.02

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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.