Home / 5,963.69-8,229.85-3,311.09

Finding the Fourth Proportional to 5,963.69, 8,229.85 and 3,311.09

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Solution

The fourth proportional to 5,963.69, 8,229.85 and 3,311.09 is: 4,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,963.69 : 8,229.85 = 3,311.09 : x
  2. Step 2: Convert to fraction form
    5,963.69/8,229.85 = 3,311.09/x
  3. Step 3: Cross multiply
    5,963.69x = 8,229.85 × 3,311.09
  4. Step 4: Simplify right side
    5,963.69x = 27,249,820.39
  5. Step 5: Solve for x
    x = 27,249,820.39/5,963.69
  6. Step 6: Final answer
    x = 4,569.29

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1.5x scale

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.