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Finding the Fourth Proportional to 3,940.01, 5,910.01 and 3,699.44

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Solution

The fourth proportional to 3,940.01, 5,910.01 and 3,699.44 is: 5,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.01 : 5,910.01 = 3,699.44 : x
  2. Step 2: Convert to fraction form
    3,940.01/5,910.01 = 3,699.44/x
  3. Step 3: Cross multiply
    3,940.01x = 5,910.01 × 3,699.44
  4. Step 4: Simplify right side
    3,940.01x = 21,863,731.57
  5. Step 5: Solve for x
    x = 21,863,731.57/3,940.01
  6. Step 6: Final answer
    x = 5,549.16

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1.5x scale

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.