Home / 7,298.28-10,949.04-2,103.75

Finding the Fourth Proportional to 7,298.28, 10,949.04 and 2,103.75

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Solution

The fourth proportional to 7,298.28, 10,949.04 and 2,103.75 is: 3,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.28 : 10,949.04 = 2,103.75 : x
  2. Step 2: Convert to fraction form
    7,298.28/10,949.04 = 2,103.75/x
  3. Step 3: Cross multiply
    7,298.28x = 10,949.04 × 2,103.75
  4. Step 4: Simplify right side
    7,298.28x = 23,034,042.90
  5. Step 5: Solve for x
    x = 23,034,042.90/7,298.28
  6. Step 6: Final answer
    x = 3,156.09

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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.