Home / 3,771.03-5,202.86-2,198.01

Finding the Fourth Proportional to 3,771.03, 5,202.86 and 2,198.01

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Solution

The fourth proportional to 3,771.03, 5,202.86 and 2,198.01 is: 3,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.03 : 5,202.86 = 2,198.01 : x
  2. Step 2: Convert to fraction form
    3,771.03/5,202.86 = 2,198.01/x
  3. Step 3: Cross multiply
    3,771.03x = 5,202.86 × 2,198.01
  4. Step 4: Simplify right side
    3,771.03x = 11,435,927.32
  5. Step 5: Solve for x
    x = 11,435,927.32/3,771.03
  6. Step 6: Final answer
    x = 3,032.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.