Home / 5,191.88-7,790.94-2,071.24

Finding the Fourth Proportional to 5,191.88, 7,790.94 and 2,071.24

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Solution

The fourth proportional to 5,191.88, 7,790.94 and 2,071.24 is: 3,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.88 : 7,790.94 = 2,071.24 : x
  2. Step 2: Convert to fraction form
    5,191.88/7,790.94 = 2,071.24/x
  3. Step 3: Cross multiply
    5,191.88x = 7,790.94 × 2,071.24
  4. Step 4: Simplify right side
    5,191.88x = 16,136,906.57
  5. Step 5: Solve for x
    x = 16,136,906.57/5,191.88
  6. Step 6: Final answer
    x = 3,108.10

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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.