Home / 2,176.05-3,264.33-694.75

Finding the Fourth Proportional to 2,176.05, 3,264.33 and 694.75

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Solution

The fourth proportional to 2,176.05, 3,264.33 and 694.75 is: 1,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.05 : 3,264.33 = 694.75 : x
  2. Step 2: Convert to fraction form
    2,176.05/3,264.33 = 694.75/x
  3. Step 3: Cross multiply
    2,176.05x = 3,264.33 × 694.75
  4. Step 4: Simplify right side
    2,176.05x = 2,267,893.27
  5. Step 5: Solve for x
    x = 2,267,893.27/2,176.05
  6. Step 6: Final answer
    x = 1,042.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.