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Finding the Fourth Proportional to 3,861.93, 5,329.94 and 2,183.94

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Solution

The fourth proportional to 3,861.93, 5,329.94 and 2,183.94 is: 3,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.93 : 5,329.94 = 2,183.94 : x
  2. Step 2: Convert to fraction form
    3,861.93/5,329.94 = 2,183.94/x
  3. Step 3: Cross multiply
    3,861.93x = 5,329.94 × 2,183.94
  4. Step 4: Simplify right side
    3,861.93x = 11,640,258.24
  5. Step 5: Solve for x
    x = 11,640,258.24/3,861.93
  6. Step 6: Final answer
    x = 3,014.10

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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.