Home / 3,067.24-4,221.78-2,564.32

Finding the Fourth Proportional to 3,067.24, 4,221.78 and 2,564.32

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Solution

The fourth proportional to 3,067.24, 4,221.78 and 2,564.32 is: 3,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.24 : 4,221.78 = 2,564.32 : x
  2. Step 2: Convert to fraction form
    3,067.24/4,221.78 = 2,564.32/x
  3. Step 3: Cross multiply
    3,067.24x = 4,221.78 × 2,564.32
  4. Step 4: Simplify right side
    3,067.24x = 10,825,994.89
  5. Step 5: Solve for x
    x = 10,825,994.89/3,067.24
  6. Step 6: Final answer
    x = 3,529.56

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Half scale
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Double scale
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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.