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Finding the Fourth Proportional to 5,981.85, 8,255.12 and 3,329.10

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Solution

The fourth proportional to 5,981.85, 8,255.12 and 3,329.10 is: 4,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.85 : 8,255.12 = 3,329.10 : x
  2. Step 2: Convert to fraction form
    5,981.85/8,255.12 = 3,329.10/x
  3. Step 3: Cross multiply
    5,981.85x = 8,255.12 × 3,329.10
  4. Step 4: Simplify right side
    5,981.85x = 27,482,103.35
  5. Step 5: Solve for x
    x = 27,482,103.35/5,981.85
  6. Step 6: Final answer
    x = 4,594.25

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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.