Home / 2,175.75-3,002.55-1,181.03

Finding the Fourth Proportional to 2,175.75, 3,002.55 and 1,181.03

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Solution

The fourth proportional to 2,175.75, 3,002.55 and 1,181.03 is: 1,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.75 : 3,002.55 = 1,181.03 : x
  2. Step 2: Convert to fraction form
    2,175.75/3,002.55 = 1,181.03/x
  3. Step 3: Cross multiply
    2,175.75x = 3,002.55 × 1,181.03
  4. Step 4: Simplify right side
    2,175.75x = 3,546,086.61
  5. Step 5: Solve for x
    x = 3,546,086.61/2,175.75
  6. Step 6: Final answer
    x = 1,629.82

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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.