Home / 7,379.94-11,072.86-2,997.74

Finding the Fourth Proportional to 7,379.94, 11,072.86 and 2,997.74

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Solution

The fourth proportional to 7,379.94, 11,072.86 and 2,997.74 is: 4,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.94 : 11,072.86 = 2,997.74 : x
  2. Step 2: Convert to fraction form
    7,379.94/11,072.86 = 2,997.74/x
  3. Step 3: Cross multiply
    7,379.94x = 11,072.86 × 2,997.74
  4. Step 4: Simplify right side
    7,379.94x = 33,193,555.34
  5. Step 5: Solve for x
    x = 33,193,555.34/7,379.94
  6. Step 6: Final answer
    x = 4,497.81

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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.