Home / 7,028.28-10,542.30-2,097.94

Finding the Fourth Proportional to 7,028.28, 10,542.30 and 2,097.94

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Solution

The fourth proportional to 7,028.28, 10,542.30 and 2,097.94 is: 3,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.28 : 10,542.30 = 2,097.94 : x
  2. Step 2: Convert to fraction form
    7,028.28/10,542.30 = 2,097.94/x
  3. Step 3: Cross multiply
    7,028.28x = 10,542.30 × 2,097.94
  4. Step 4: Simplify right side
    7,028.28x = 22,117,112.86
  5. Step 5: Solve for x
    x = 22,117,112.86/7,028.28
  6. Step 6: Final answer
    x = 3,146.87

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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.