Home / 3,910.79-5,397.33-2,232.44

Finding the Fourth Proportional to 3,910.79, 5,397.33 and 2,232.44

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Solution

The fourth proportional to 3,910.79, 5,397.33 and 2,232.44 is: 3,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.79 : 5,397.33 = 2,232.44 : x
  2. Step 2: Convert to fraction form
    3,910.79/5,397.33 = 2,232.44/x
  3. Step 3: Cross multiply
    3,910.79x = 5,397.33 × 2,232.44
  4. Step 4: Simplify right side
    3,910.79x = 12,049,188.40
  5. Step 5: Solve for x
    x = 12,049,188.40/3,910.79
  6. Step 6: Final answer
    x = 3,081.02

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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.