Home / 2,174.48-3,261.22-1,297.23

Finding the Fourth Proportional to 2,174.48, 3,261.22 and 1,297.23

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Solution

The fourth proportional to 2,174.48, 3,261.22 and 1,297.23 is: 1,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.48 : 3,261.22 = 1,297.23 : x
  2. Step 2: Convert to fraction form
    2,174.48/3,261.22 = 1,297.23/x
  3. Step 3: Cross multiply
    2,174.48x = 3,261.22 × 1,297.23
  4. Step 4: Simplify right side
    2,174.48x = 4,230,552.42
  5. Step 5: Solve for x
    x = 4,230,552.42/2,174.48
  6. Step 6: Final answer
    x = 1,945.55

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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.