Home / 3,067.65-4,231.85-1,888.29

Finding the Fourth Proportional to 3,067.65, 4,231.85 and 1,888.29

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Solution

The fourth proportional to 3,067.65, 4,231.85 and 1,888.29 is: 2,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.65 : 4,231.85 = 1,888.29 : x
  2. Step 2: Convert to fraction form
    3,067.65/4,231.85 = 1,888.29/x
  3. Step 3: Cross multiply
    3,067.65x = 4,231.85 × 1,888.29
  4. Step 4: Simplify right side
    3,067.65x = 7,990,950.60
  5. Step 5: Solve for x
    x = 7,990,950.60/3,067.65
  6. Step 6: Final answer
    x = 2,604.91

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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.