Home / 7,181.47-10,772.21-2,738.10

Finding the Fourth Proportional to 7,181.47, 10,772.21 and 2,738.10

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Solution

The fourth proportional to 7,181.47, 10,772.21 and 2,738.10 is: 4,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.47 : 10,772.21 = 2,738.10 : x
  2. Step 2: Convert to fraction form
    7,181.47/10,772.21 = 2,738.10/x
  3. Step 3: Cross multiply
    7,181.47x = 10,772.21 × 2,738.10
  4. Step 4: Simplify right side
    7,181.47x = 29,495,388.20
  5. Step 5: Solve for x
    x = 29,495,388.20/7,181.47
  6. Step 6: Final answer
    x = 4,107.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.