Home / 1,906.66-2,631.36-1,067.35

Finding the Fourth Proportional to 1,906.66, 2,631.36 and 1,067.35

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Solution

The fourth proportional to 1,906.66, 2,631.36 and 1,067.35 is: 1,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.66 : 2,631.36 = 1,067.35 : x
  2. Step 2: Convert to fraction form
    1,906.66/2,631.36 = 1,067.35/x
  3. Step 3: Cross multiply
    1,906.66x = 2,631.36 × 1,067.35
  4. Step 4: Simplify right side
    1,906.66x = 2,808,578.45
  5. Step 5: Solve for x
    x = 2,808,578.45/1,906.66
  6. Step 6: Final answer
    x = 1,473.03

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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.