Home / 1,787.82-2,467.29-1,001.94

Finding the Fourth Proportional to 1,787.82, 2,467.29 and 1,001.94

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Solution

The fourth proportional to 1,787.82, 2,467.29 and 1,001.94 is: 1,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.82 : 2,467.29 = 1,001.94 : x
  2. Step 2: Convert to fraction form
    1,787.82/2,467.29 = 1,001.94/x
  3. Step 3: Cross multiply
    1,787.82x = 2,467.29 × 1,001.94
  4. Step 4: Simplify right side
    1,787.82x = 2,472,076.54
  5. Step 5: Solve for x
    x = 2,472,076.54/1,787.82
  6. Step 6: Final answer
    x = 1,382.73

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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.