Home / 2,249.08-3,103.56-1,254.34

Finding the Fourth Proportional to 2,249.08, 3,103.56 and 1,254.34

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Solution

The fourth proportional to 2,249.08, 3,103.56 and 1,254.34 is: 1,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.08 : 3,103.56 = 1,254.34 : x
  2. Step 2: Convert to fraction form
    2,249.08/3,103.56 = 1,254.34/x
  3. Step 3: Cross multiply
    2,249.08x = 3,103.56 × 1,254.34
  4. Step 4: Simplify right side
    2,249.08x = 3,892,919.45
  5. Step 5: Solve for x
    x = 3,892,919.45/2,249.08
  6. Step 6: Final answer
    x = 1,730.89

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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.