Home / 3,916.89-5,873.40-1,837.87

Finding the Fourth Proportional to 3,916.89, 5,873.40 and 1,837.87

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Solution

The fourth proportional to 3,916.89, 5,873.40 and 1,837.87 is: 2,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.89 : 5,873.40 = 1,837.87 : x
  2. Step 2: Convert to fraction form
    3,916.89/5,873.40 = 1,837.87/x
  3. Step 3: Cross multiply
    3,916.89x = 5,873.40 × 1,837.87
  4. Step 4: Simplify right side
    3,916.89x = 10,794,530.97
  5. Step 5: Solve for x
    x = 10,794,530.97/3,916.89
  6. Step 6: Final answer
    x = 2,755.89

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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.