Home / 5,348.82-7,381.37-3,111.99

Finding the Fourth Proportional to 5,348.82, 7,381.37 and 3,111.99

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Solution

The fourth proportional to 5,348.82, 7,381.37 and 3,111.99 is: 4,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.82 : 7,381.37 = 3,111.99 : x
  2. Step 2: Convert to fraction form
    5,348.82/7,381.37 = 3,111.99/x
  3. Step 3: Cross multiply
    5,348.82x = 7,381.37 × 3,111.99
  4. Step 4: Simplify right side
    5,348.82x = 22,970,734.07
  5. Step 5: Solve for x
    x = 22,970,734.07/5,348.82
  6. Step 6: Final answer
    x = 4,294.54

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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.