Home / 5,181.10-7,150.72-3,086.44

Finding the Fourth Proportional to 5,181.10, 7,150.72 and 3,086.44

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Solution

The fourth proportional to 5,181.10, 7,150.72 and 3,086.44 is: 4,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.10 : 7,150.72 = 3,086.44 : x
  2. Step 2: Convert to fraction form
    5,181.10/7,150.72 = 3,086.44/x
  3. Step 3: Cross multiply
    5,181.10x = 7,150.72 × 3,086.44
  4. Step 4: Simplify right side
    5,181.10x = 22,070,268.24
  5. Step 5: Solve for x
    x = 22,070,268.24/5,181.10
  6. Step 6: Final answer
    x = 4,259.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.