Home / 7,131.44-10,698.32-2,199.94

Finding the Fourth Proportional to 7,131.44, 10,698.32 and 2,199.94

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Solution

The fourth proportional to 7,131.44, 10,698.32 and 2,199.94 is: 3,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.44 : 10,698.32 = 2,199.94 : x
  2. Step 2: Convert to fraction form
    7,131.44/10,698.32 = 2,199.94/x
  3. Step 3: Cross multiply
    7,131.44x = 10,698.32 × 2,199.94
  4. Step 4: Simplify right side
    7,131.44x = 23,535,640.85
  5. Step 5: Solve for x
    x = 23,535,640.85/7,131.44
  6. Step 6: Final answer
    x = 3,300.26

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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.