Home / 2,249.10-3,105.20-1,410.95

Finding the Fourth Proportional to 2,249.10, 3,105.20 and 1,410.95

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Solution

The fourth proportional to 2,249.10, 3,105.20 and 1,410.95 is: 1,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.10 : 3,105.20 = 1,410.95 : x
  2. Step 2: Convert to fraction form
    2,249.10/3,105.20 = 1,410.95/x
  3. Step 3: Cross multiply
    2,249.10x = 3,105.20 × 1,410.95
  4. Step 4: Simplify right side
    2,249.10x = 4,381,293.23
  5. Step 5: Solve for x
    x = 4,381,293.23/2,249.10
  6. Step 6: Final answer
    x = 1,948.02

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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.