Home / 3,966.30-5,474.52-2,550.96

Finding the Fourth Proportional to 3,966.30, 5,474.52 and 2,550.96

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Solution

The fourth proportional to 3,966.30, 5,474.52 and 2,550.96 is: 3,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.30 : 5,474.52 = 2,550.96 : x
  2. Step 2: Convert to fraction form
    3,966.30/5,474.52 = 2,550.96/x
  3. Step 3: Cross multiply
    3,966.30x = 5,474.52 × 2,550.96
  4. Step 4: Simplify right side
    3,966.30x = 13,965,281.54
  5. Step 5: Solve for x
    x = 13,965,281.54/3,966.30
  6. Step 6: Final answer
    x = 3,520.98

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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.