Home / 3,873.41-5,345.57-2,194.80

Finding the Fourth Proportional to 3,873.41, 5,345.57 and 2,194.80

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Solution

The fourth proportional to 3,873.41, 5,345.57 and 2,194.80 is: 3,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.41 : 5,345.57 = 2,194.80 : x
  2. Step 2: Convert to fraction form
    3,873.41/5,345.57 = 2,194.80/x
  3. Step 3: Cross multiply
    3,873.41x = 5,345.57 × 2,194.80
  4. Step 4: Simplify right side
    3,873.41x = 11,732,446.06
  5. Step 5: Solve for x
    x = 11,732,446.06/3,873.41
  6. Step 6: Final answer
    x = 3,028.97

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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.