Home / 5,195.10-7,791.90-3,087.96

Finding the Fourth Proportional to 5,195.10, 7,791.90 and 3,087.96

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Solution

The fourth proportional to 5,195.10, 7,791.90 and 3,087.96 is: 4,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.10 : 7,791.90 = 3,087.96 : x
  2. Step 2: Convert to fraction form
    5,195.10/7,791.90 = 3,087.96/x
  3. Step 3: Cross multiply
    5,195.10x = 7,791.90 × 3,087.96
  4. Step 4: Simplify right side
    5,195.10x = 24,061,075.52
  5. Step 5: Solve for x
    x = 24,061,075.52/5,195.10
  6. Step 6: Final answer
    x = 4,631.49

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Why These Related Problems?

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