Home / 3,392.40-5,086.62-2,006.76

Finding the Fourth Proportional to 3,392.40, 5,086.62 and 2,006.76

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Solution

The fourth proportional to 3,392.40, 5,086.62 and 2,006.76 is: 3,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.40 : 5,086.62 = 2,006.76 : x
  2. Step 2: Convert to fraction form
    3,392.40/5,086.62 = 2,006.76/x
  3. Step 3: Cross multiply
    3,392.40x = 5,086.62 × 2,006.76
  4. Step 4: Simplify right side
    3,392.40x = 10,207,625.55
  5. Step 5: Solve for x
    x = 10,207,625.55/3,392.40
  6. Step 6: Final answer
    x = 3,008.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.