Home / 3,241.92-4,475.34-2,122.91

Finding the Fourth Proportional to 3,241.92, 4,475.34 and 2,122.91

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Solution

The fourth proportional to 3,241.92, 4,475.34 and 2,122.91 is: 2,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.92 : 4,475.34 = 2,122.91 : x
  2. Step 2: Convert to fraction form
    3,241.92/4,475.34 = 2,122.91/x
  3. Step 3: Cross multiply
    3,241.92x = 4,475.34 × 2,122.91
  4. Step 4: Simplify right side
    3,241.92x = 9,500,721.66
  5. Step 5: Solve for x
    x = 9,500,721.66/3,241.92
  6. Step 6: Final answer
    x = 2,930.58

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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.