Home / 2,917.11-4,027.26-2,022.15

Finding the Fourth Proportional to 2,917.11, 4,027.26 and 2,022.15

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Solution

The fourth proportional to 2,917.11, 4,027.26 and 2,022.15 is: 2,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.11 : 4,027.26 = 2,022.15 : x
  2. Step 2: Convert to fraction form
    2,917.11/4,027.26 = 2,022.15/x
  3. Step 3: Cross multiply
    2,917.11x = 4,027.26 × 2,022.15
  4. Step 4: Simplify right side
    2,917.11x = 8,143,723.81
  5. Step 5: Solve for x
    x = 8,143,723.81/2,917.11
  6. Step 6: Final answer
    x = 2,791.71

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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.