Home / 2,945.92-4,067.24-2,049.32

Finding the Fourth Proportional to 2,945.92, 4,067.24 and 2,049.32

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Solution

The fourth proportional to 2,945.92, 4,067.24 and 2,049.32 is: 2,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.92 : 4,067.24 = 2,049.32 : x
  2. Step 2: Convert to fraction form
    2,945.92/4,067.24 = 2,049.32/x
  3. Step 3: Cross multiply
    2,945.92x = 4,067.24 × 2,049.32
  4. Step 4: Simplify right side
    2,945.92x = 8,335,076.20
  5. Step 5: Solve for x
    x = 8,335,076.20/2,945.92
  6. Step 6: Final answer
    x = 2,829.37

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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.