Home / 5,201.11-7,802.43-2,568.70

Finding the Fourth Proportional to 5,201.11, 7,802.43 and 2,568.70

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Solution

The fourth proportional to 5,201.11, 7,802.43 and 2,568.70 is: 3,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.11 : 7,802.43 = 2,568.70 : x
  2. Step 2: Convert to fraction form
    5,201.11/7,802.43 = 2,568.70/x
  3. Step 3: Cross multiply
    5,201.11x = 7,802.43 × 2,568.70
  4. Step 4: Simplify right side
    5,201.11x = 20,042,101.94
  5. Step 5: Solve for x
    x = 20,042,101.94/5,201.11
  6. Step 6: Final answer
    x = 3,853.43

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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.