Home / 2,249.45-3,104.93-1,305.48

Finding the Fourth Proportional to 2,249.45, 3,104.93 and 1,305.48

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Solution

The fourth proportional to 2,249.45, 3,104.93 and 1,305.48 is: 1,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.45 : 3,104.93 = 1,305.48 : x
  2. Step 2: Convert to fraction form
    2,249.45/3,104.93 = 1,305.48/x
  3. Step 3: Cross multiply
    2,249.45x = 3,104.93 × 1,305.48
  4. Step 4: Simplify right side
    2,249.45x = 4,053,438.92
  5. Step 5: Solve for x
    x = 4,053,438.92/2,249.45
  6. Step 6: Final answer
    x = 1,801.97

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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.