Home / 3,067.08-4,230.84-1,887.91

Finding the Fourth Proportional to 3,067.08, 4,230.84 and 1,887.91

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Solution

The fourth proportional to 3,067.08, 4,230.84 and 1,887.91 is: 2,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.08 : 4,230.84 = 1,887.91 : x
  2. Step 2: Convert to fraction form
    3,067.08/4,230.84 = 1,887.91/x
  3. Step 3: Cross multiply
    3,067.08x = 4,230.84 × 1,887.91
  4. Step 4: Simplify right side
    3,067.08x = 7,987,445.14
  5. Step 5: Solve for x
    x = 7,987,445.14/3,067.08
  6. Step 6: Final answer
    x = 2,604.25

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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.