Home / 3,330.74-4,992.39-2,240.88

Finding the Fourth Proportional to 3,330.74, 4,992.39 and 2,240.88

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Solution

The fourth proportional to 3,330.74, 4,992.39 and 2,240.88 is: 3,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.74 : 4,992.39 = 2,240.88 : x
  2. Step 2: Convert to fraction form
    3,330.74/4,992.39 = 2,240.88/x
  3. Step 3: Cross multiply
    3,330.74x = 4,992.39 × 2,240.88
  4. Step 4: Simplify right side
    3,330.74x = 11,187,346.90
  5. Step 5: Solve for x
    x = 11,187,346.90/3,330.74
  6. Step 6: Final answer
    x = 3,358.82

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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.