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Finding the Fourth Proportional to 3,863.25, 5,795.10 and 1,090.16

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Solution

The fourth proportional to 3,863.25, 5,795.10 and 1,090.16 is: 1,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.25 : 5,795.10 = 1,090.16 : x
  2. Step 2: Convert to fraction form
    3,863.25/5,795.10 = 1,090.16/x
  3. Step 3: Cross multiply
    3,863.25x = 5,795.10 × 1,090.16
  4. Step 4: Simplify right side
    3,863.25x = 6,317,557.24
  5. Step 5: Solve for x
    x = 6,317,557.24/3,863.25
  6. Step 6: Final answer
    x = 1,635.30

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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.