Home / 2,837.76-3,916.80-2,674.56

Finding the Fourth Proportional to 2,837.76, 3,916.80 and 2,674.56

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Solution

The fourth proportional to 2,837.76, 3,916.80 and 2,674.56 is: 3,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.76 : 3,916.80 = 2,674.56 : x
  2. Step 2: Convert to fraction form
    2,837.76/3,916.80 = 2,674.56/x
  3. Step 3: Cross multiply
    2,837.76x = 3,916.80 × 2,674.56
  4. Step 4: Simplify right side
    2,837.76x = 10,475,716.61
  5. Step 5: Solve for x
    x = 10,475,716.61/2,837.76
  6. Step 6: Final answer
    x = 3,691.54

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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.