Home / 3,067.99-4,233.78-1,809.10

Finding the Fourth Proportional to 3,067.99, 4,233.78 and 1,809.10

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Solution

The fourth proportional to 3,067.99, 4,233.78 and 1,809.10 is: 2,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.99 : 4,233.78 = 1,809.10 : x
  2. Step 2: Convert to fraction form
    3,067.99/4,233.78 = 1,809.10/x
  3. Step 3: Cross multiply
    3,067.99x = 4,233.78 × 1,809.10
  4. Step 4: Simplify right side
    3,067.99x = 7,659,331.40
  5. Step 5: Solve for x
    x = 7,659,331.40/3,067.99
  6. Step 6: Final answer
    x = 2,496.53

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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.