Home / 3,954.14-5,456.69-2,185.73

Finding the Fourth Proportional to 3,954.14, 5,456.69 and 2,185.73

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Solution

The fourth proportional to 3,954.14, 5,456.69 and 2,185.73 is: 3,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.14 : 5,456.69 = 2,185.73 : x
  2. Step 2: Convert to fraction form
    3,954.14/5,456.69 = 2,185.73/x
  3. Step 3: Cross multiply
    3,954.14x = 5,456.69 × 2,185.73
  4. Step 4: Simplify right side
    3,954.14x = 11,926,842.86
  5. Step 5: Solve for x
    x = 11,926,842.86/3,954.14
  6. Step 6: Final answer
    x = 3,016.30

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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.