Home / 4,092.96-5,638.44-3,381.84

Finding the Fourth Proportional to 4,092.96, 5,638.44 and 3,381.84

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Solution

The fourth proportional to 4,092.96, 5,638.44 and 3,381.84 is: 4,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.96 : 5,638.44 = 3,381.84 : x
  2. Step 2: Convert to fraction form
    4,092.96/5,638.44 = 3,381.84/x
  3. Step 3: Cross multiply
    4,092.96x = 5,638.44 × 3,381.84
  4. Step 4: Simplify right side
    4,092.96x = 19,068,301.93
  5. Step 5: Solve for x
    x = 19,068,301.93/4,092.96
  6. Step 6: Final answer
    x = 4,658.80

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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.