Home / 3,067.16-4,231.14-1,886.36

Finding the Fourth Proportional to 3,067.16, 4,231.14 and 1,886.36

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Solution

The fourth proportional to 3,067.16, 4,231.14 and 1,886.36 is: 2,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.16 : 4,231.14 = 1,886.36 : x
  2. Step 2: Convert to fraction form
    3,067.16/4,231.14 = 1,886.36/x
  3. Step 3: Cross multiply
    3,067.16x = 4,231.14 × 1,886.36
  4. Step 4: Simplify right side
    3,067.16x = 7,981,453.25
  5. Step 5: Solve for x
    x = 7,981,453.25/3,067.16
  6. Step 6: Final answer
    x = 2,602.23

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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.