Home / 3,813.09-5,257.35-3,067.08

Finding the Fourth Proportional to 3,813.09, 5,257.35 and 3,067.08

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Solution

The fourth proportional to 3,813.09, 5,257.35 and 3,067.08 is: 4,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.09 : 5,257.35 = 3,067.08 : x
  2. Step 2: Convert to fraction form
    3,813.09/5,257.35 = 3,067.08/x
  3. Step 3: Cross multiply
    3,813.09x = 5,257.35 × 3,067.08
  4. Step 4: Simplify right side
    3,813.09x = 16,124,713.04
  5. Step 5: Solve for x
    x = 16,124,713.04/3,813.09
  6. Step 6: Final answer
    x = 4,228.78

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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.