Home / 1,906.74-2,631.30-1,067.44

Finding the Fourth Proportional to 1,906.74, 2,631.30 and 1,067.44

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Solution

The fourth proportional to 1,906.74, 2,631.30 and 1,067.44 is: 1,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.74 : 2,631.30 = 1,067.44 : x
  2. Step 2: Convert to fraction form
    1,906.74/2,631.30 = 1,067.44/x
  3. Step 3: Cross multiply
    1,906.74x = 2,631.30 × 1,067.44
  4. Step 4: Simplify right side
    1,906.74x = 2,808,762.09
  5. Step 5: Solve for x
    x = 2,808,762.09/1,906.74
  6. Step 6: Final answer
    x = 1,473.07

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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.