Home / 4,281.62-5,906.85-2,881.94

Finding the Fourth Proportional to 4,281.62, 5,906.85 and 2,881.94

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Solution

The fourth proportional to 4,281.62, 5,906.85 and 2,881.94 is: 3,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.62 : 5,906.85 = 2,881.94 : x
  2. Step 2: Convert to fraction form
    4,281.62/5,906.85 = 2,881.94/x
  3. Step 3: Cross multiply
    4,281.62x = 5,906.85 × 2,881.94
  4. Step 4: Simplify right side
    4,281.62x = 17,023,187.29
  5. Step 5: Solve for x
    x = 17,023,187.29/4,281.62
  6. Step 6: Final answer
    x = 3,975.88

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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.