Home / 4,712.28-7,067.84-1,249.80

Finding the Fourth Proportional to 4,712.28, 7,067.84 and 1,249.80

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Solution

The fourth proportional to 4,712.28, 7,067.84 and 1,249.80 is: 1,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.28 : 7,067.84 = 1,249.80 : x
  2. Step 2: Convert to fraction form
    4,712.28/7,067.84 = 1,249.80/x
  3. Step 3: Cross multiply
    4,712.28x = 7,067.84 × 1,249.80
  4. Step 4: Simplify right side
    4,712.28x = 8,833,386.43
  5. Step 5: Solve for x
    x = 8,833,386.43/4,712.28
  6. Step 6: Final answer
    x = 1,874.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.