Home / 3,103.97-4,282.26-1,776.96

Finding the Fourth Proportional to 3,103.97, 4,282.26 and 1,776.96

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Solution

The fourth proportional to 3,103.97, 4,282.26 and 1,776.96 is: 2,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.97 : 4,282.26 = 1,776.96 : x
  2. Step 2: Convert to fraction form
    3,103.97/4,282.26 = 1,776.96/x
  3. Step 3: Cross multiply
    3,103.97x = 4,282.26 × 1,776.96
  4. Step 4: Simplify right side
    3,103.97x = 7,609,404.73
  5. Step 5: Solve for x
    x = 7,609,404.73/3,103.97
  6. Step 6: Final answer
    x = 2,451.51

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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.