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Finding the Fourth Proportional to 3,863.98, 5,796.29 and 1,090.88

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Solution

The fourth proportional to 3,863.98, 5,796.29 and 1,090.88 is: 1,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.98 : 5,796.29 = 1,090.88 : x
  2. Step 2: Convert to fraction form
    3,863.98/5,796.29 = 1,090.88/x
  3. Step 3: Cross multiply
    3,863.98x = 5,796.29 × 1,090.88
  4. Step 4: Simplify right side
    3,863.98x = 6,323,058.17
  5. Step 5: Solve for x
    x = 6,323,058.17/3,863.98
  6. Step 6: Final answer
    x = 1,636.41

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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.