Home / 7,163.04-10,742.32-2,545.12

Finding the Fourth Proportional to 7,163.04, 10,742.32 and 2,545.12

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Solution

The fourth proportional to 7,163.04, 10,742.32 and 2,545.12 is: 3,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.04 : 10,742.32 = 2,545.12 : x
  2. Step 2: Convert to fraction form
    7,163.04/10,742.32 = 2,545.12/x
  3. Step 3: Cross multiply
    7,163.04x = 10,742.32 × 2,545.12
  4. Step 4: Simplify right side
    7,163.04x = 27,340,493.48
  5. Step 5: Solve for x
    x = 27,340,493.48/7,163.04
  6. Step 6: Final answer
    x = 3,816.88

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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.