Home / 1,418.25-1,956.66-1,046.13

Finding the Fourth Proportional to 1,418.25, 1,956.66 and 1,046.13

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Solution

The fourth proportional to 1,418.25, 1,956.66 and 1,046.13 is: 1,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.25 : 1,956.66 = 1,046.13 : x
  2. Step 2: Convert to fraction form
    1,418.25/1,956.66 = 1,046.13/x
  3. Step 3: Cross multiply
    1,418.25x = 1,956.66 × 1,046.13
  4. Step 4: Simplify right side
    1,418.25x = 2,046,920.73
  5. Step 5: Solve for x
    x = 2,046,920.73/1,418.25
  6. Step 6: Final answer
    x = 1,443.27

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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.