Home / 3,115.82-4,300.01-2,067.14

Finding the Fourth Proportional to 3,115.82, 4,300.01 and 2,067.14

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Solution

The fourth proportional to 3,115.82, 4,300.01 and 2,067.14 is: 2,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.82 : 4,300.01 = 2,067.14 : x
  2. Step 2: Convert to fraction form
    3,115.82/4,300.01 = 2,067.14/x
  3. Step 3: Cross multiply
    3,115.82x = 4,300.01 × 2,067.14
  4. Step 4: Simplify right side
    3,115.82x = 8,888,690.84
  5. Step 5: Solve for x
    x = 8,888,690.84/3,115.82
  6. Step 6: Final answer
    x = 2,852.77

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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.