Home / 6,917.69-10,375.44-3,021.05

Finding the Fourth Proportional to 6,917.69, 10,375.44 and 3,021.05

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Solution

The fourth proportional to 6,917.69, 10,375.44 and 3,021.05 is: 4,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.69 : 10,375.44 = 3,021.05 : x
  2. Step 2: Convert to fraction form
    6,917.69/10,375.44 = 3,021.05/x
  3. Step 3: Cross multiply
    6,917.69x = 10,375.44 × 3,021.05
  4. Step 4: Simplify right side
    6,917.69x = 31,344,671.13
  5. Step 5: Solve for x
    x = 31,344,671.13/6,917.69
  6. Step 6: Final answer
    x = 4,531.09

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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.