Home / 3,671.27-5,066.57-2,078.07

Finding the Fourth Proportional to 3,671.27, 5,066.57 and 2,078.07

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Solution

The fourth proportional to 3,671.27, 5,066.57 and 2,078.07 is: 2,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.27 : 5,066.57 = 2,078.07 : x
  2. Step 2: Convert to fraction form
    3,671.27/5,066.57 = 2,078.07/x
  3. Step 3: Cross multiply
    3,671.27x = 5,066.57 × 2,078.07
  4. Step 4: Simplify right side
    3,671.27x = 10,528,687.12
  5. Step 5: Solve for x
    x = 10,528,687.12/3,671.27
  6. Step 6: Final answer
    x = 2,867.86

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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.