Home / 5,137.92-7,704.72-1,851.12

Finding the Fourth Proportional to 5,137.92, 7,704.72 and 1,851.12

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Solution

The fourth proportional to 5,137.92, 7,704.72 and 1,851.12 is: 2,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.92 : 7,704.72 = 1,851.12 : x
  2. Step 2: Convert to fraction form
    5,137.92/7,704.72 = 1,851.12/x
  3. Step 3: Cross multiply
    5,137.92x = 7,704.72 × 1,851.12
  4. Step 4: Simplify right side
    5,137.92x = 14,262,361.29
  5. Step 5: Solve for x
    x = 14,262,361.29/5,137.92
  6. Step 6: Final answer
    x = 2,775.90

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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.