Home / 7,415.76-11,120.06-2,737.97

Finding the Fourth Proportional to 7,415.76, 11,120.06 and 2,737.97

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Solution

The fourth proportional to 7,415.76, 11,120.06 and 2,737.97 is: 4,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.76 : 11,120.06 = 2,737.97 : x
  2. Step 2: Convert to fraction form
    7,415.76/11,120.06 = 2,737.97/x
  3. Step 3: Cross multiply
    7,415.76x = 11,120.06 × 2,737.97
  4. Step 4: Simplify right side
    7,415.76x = 30,446,321.39
  5. Step 5: Solve for x
    x = 30,446,321.39/7,415.76
  6. Step 6: Final answer
    x = 4,105.62

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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.