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Finding the Fourth Proportional to 3,866.27, 5,799.86 and 2,222.84

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Solution

The fourth proportional to 3,866.27, 5,799.86 and 2,222.84 is: 3,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.27 : 5,799.86 = 2,222.84 : x
  2. Step 2: Convert to fraction form
    3,866.27/5,799.86 = 2,222.84/x
  3. Step 3: Cross multiply
    3,866.27x = 5,799.86 × 2,222.84
  4. Step 4: Simplify right side
    3,866.27x = 12,892,137.36
  5. Step 5: Solve for x
    x = 12,892,137.36/3,866.27
  6. Step 6: Final answer
    x = 3,334.51

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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.