Home / 3,067.48-4,232.90-1,888.12

Finding the Fourth Proportional to 3,067.48, 4,232.90 and 1,888.12

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Solution

The fourth proportional to 3,067.48, 4,232.90 and 1,888.12 is: 2,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.48 : 4,232.90 = 1,888.12 : x
  2. Step 2: Convert to fraction form
    3,067.48/4,232.90 = 1,888.12/x
  3. Step 3: Cross multiply
    3,067.48x = 4,232.90 × 1,888.12
  4. Step 4: Simplify right side
    3,067.48x = 7,992,223.15
  5. Step 5: Solve for x
    x = 7,992,223.15/3,067.48
  6. Step 6: Final answer
    x = 2,605.47

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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.