Home / 3,067.50-4,233.15-1,670.25

Finding the Fourth Proportional to 3,067.50, 4,233.15 and 1,670.25

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Solution

The fourth proportional to 3,067.50, 4,233.15 and 1,670.25 is: 2,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.50 : 4,233.15 = 1,670.25 : x
  2. Step 2: Convert to fraction form
    3,067.50/4,233.15 = 1,670.25/x
  3. Step 3: Cross multiply
    3,067.50x = 4,233.15 × 1,670.25
  4. Step 4: Simplify right side
    3,067.50x = 7,070,418.79
  5. Step 5: Solve for x
    x = 7,070,418.79/3,067.50
  6. Step 6: Final answer
    x = 2,304.95

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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.