Home / 2,648.25-3,654.68-1,718.37

Finding the Fourth Proportional to 2,648.25, 3,654.68 and 1,718.37

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Solution

The fourth proportional to 2,648.25, 3,654.68 and 1,718.37 is: 2,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.25 : 3,654.68 = 1,718.37 : x
  2. Step 2: Convert to fraction form
    2,648.25/3,654.68 = 1,718.37/x
  3. Step 3: Cross multiply
    2,648.25x = 3,654.68 × 1,718.37
  4. Step 4: Simplify right side
    2,648.25x = 6,280,083.88
  5. Step 5: Solve for x
    x = 6,280,083.88/2,648.25
  6. Step 6: Final answer
    x = 2,371.41

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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.