Home / 5,195.67-7,170.05-2,837.82

Finding the Fourth Proportional to 5,195.67, 7,170.05 and 2,837.82

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Solution

The fourth proportional to 5,195.67, 7,170.05 and 2,837.82 is: 3,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.67 : 7,170.05 = 2,837.82 : x
  2. Step 2: Convert to fraction form
    5,195.67/7,170.05 = 2,837.82/x
  3. Step 3: Cross multiply
    5,195.67x = 7,170.05 × 2,837.82
  4. Step 4: Simplify right side
    5,195.67x = 20,347,311.29
  5. Step 5: Solve for x
    x = 20,347,311.29/5,195.67
  6. Step 6: Final answer
    x = 3,916.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.