Home / 3,916.67-5,872.37-2,065.82

Finding the Fourth Proportional to 3,916.67, 5,872.37 and 2,065.82

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Solution

The fourth proportional to 3,916.67, 5,872.37 and 2,065.82 is: 3,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.67 : 5,872.37 = 2,065.82 : x
  2. Step 2: Convert to fraction form
    3,916.67/5,872.37 = 2,065.82/x
  3. Step 3: Cross multiply
    3,916.67x = 5,872.37 × 2,065.82
  4. Step 4: Simplify right side
    3,916.67x = 12,131,219.70
  5. Step 5: Solve for x
    x = 12,131,219.70/3,916.67
  6. Step 6: Final answer
    x = 3,097.33

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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.