Home / 2,786.27-3,844.28-2,194.97

Finding the Fourth Proportional to 2,786.27, 3,844.28 and 2,194.97

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Solution

The fourth proportional to 2,786.27, 3,844.28 and 2,194.97 is: 3,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.27 : 3,844.28 = 2,194.97 : x
  2. Step 2: Convert to fraction form
    2,786.27/3,844.28 = 2,194.97/x
  3. Step 3: Cross multiply
    2,786.27x = 3,844.28 × 2,194.97
  4. Step 4: Simplify right side
    2,786.27x = 8,438,068.30
  5. Step 5: Solve for x
    x = 8,438,068.30/2,786.27
  6. Step 6: Final answer
    x = 3,028.45

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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.