Home / 6,721.11-10,078.40-2,040.27

Finding the Fourth Proportional to 6,721.11, 10,078.40 and 2,040.27

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Solution

The fourth proportional to 6,721.11, 10,078.40 and 2,040.27 is: 3,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.11 : 10,078.40 = 2,040.27 : x
  2. Step 2: Convert to fraction form
    6,721.11/10,078.40 = 2,040.27/x
  3. Step 3: Cross multiply
    6,721.11x = 10,078.40 × 2,040.27
  4. Step 4: Simplify right side
    6,721.11x = 20,562,646.97
  5. Step 5: Solve for x
    x = 20,562,646.97/6,721.11
  6. Step 6: Final answer
    x = 3,059.41

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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.