Home / 7,225.72-10,840.11-2,545.54

Finding the Fourth Proportional to 7,225.72, 10,840.11 and 2,545.54

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Solution

The fourth proportional to 7,225.72, 10,840.11 and 2,545.54 is: 3,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.72 : 10,840.11 = 2,545.54 : x
  2. Step 2: Convert to fraction form
    7,225.72/10,840.11 = 2,545.54/x
  3. Step 3: Cross multiply
    7,225.72x = 10,840.11 × 2,545.54
  4. Step 4: Simplify right side
    7,225.72x = 27,593,933.61
  5. Step 5: Solve for x
    x = 27,593,933.61/7,225.72
  6. Step 6: Final answer
    x = 3,818.85

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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.