Home / 2,836.41-3,914.25-1,577.43

Finding the Fourth Proportional to 2,836.41, 3,914.25 and 1,577.43

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Solution

The fourth proportional to 2,836.41, 3,914.25 and 1,577.43 is: 2,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.41 : 3,914.25 = 1,577.43 : x
  2. Step 2: Convert to fraction form
    2,836.41/3,914.25 = 1,577.43/x
  3. Step 3: Cross multiply
    2,836.41x = 3,914.25 × 1,577.43
  4. Step 4: Simplify right side
    2,836.41x = 6,174,455.38
  5. Step 5: Solve for x
    x = 6,174,455.38/2,836.41
  6. Step 6: Final answer
    x = 2,176.86

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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.