Home / 5,227.02-7,836.71-1,940.13

Finding the Fourth Proportional to 5,227.02, 7,836.71 and 1,940.13

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Solution

The fourth proportional to 5,227.02, 7,836.71 and 1,940.13 is: 2,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.02 : 7,836.71 = 1,940.13 : x
  2. Step 2: Convert to fraction form
    5,227.02/7,836.71 = 1,940.13/x
  3. Step 3: Cross multiply
    5,227.02x = 7,836.71 × 1,940.13
  4. Step 4: Simplify right side
    5,227.02x = 15,204,226.47
  5. Step 5: Solve for x
    x = 15,204,226.47/5,227.02
  6. Step 6: Final answer
    x = 2,908.78

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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.