Home / 7,163.30-10,738.47-2,545.22

Finding the Fourth Proportional to 7,163.30, 10,738.47 and 2,545.22

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Solution

The fourth proportional to 7,163.30, 10,738.47 and 2,545.22 is: 3,815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.30 : 10,738.47 = 2,545.22 : x
  2. Step 2: Convert to fraction form
    7,163.30/10,738.47 = 2,545.22/x
  3. Step 3: Cross multiply
    7,163.30x = 10,738.47 × 2,545.22
  4. Step 4: Simplify right side
    7,163.30x = 27,331,768.61
  5. Step 5: Solve for x
    x = 27,331,768.61/7,163.30
  6. Step 6: Final answer
    x = 3,815.53

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1.5x scale

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.