Home / 3,251.25-4,486.79-2,321.37

Finding the Fourth Proportional to 3,251.25, 4,486.79 and 2,321.37

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Solution

The fourth proportional to 3,251.25, 4,486.79 and 2,321.37 is: 3,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.25 : 4,486.79 = 2,321.37 : x
  2. Step 2: Convert to fraction form
    3,251.25/4,486.79 = 2,321.37/x
  3. Step 3: Cross multiply
    3,251.25x = 4,486.79 × 2,321.37
  4. Step 4: Simplify right side
    3,251.25x = 10,415,488.10
  5. Step 5: Solve for x
    x = 10,415,488.10/3,251.25
  6. Step 6: Final answer
    x = 3,203.53

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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.