Home / 3,703.88-5,111.43-2,132.08

Finding the Fourth Proportional to 3,703.88, 5,111.43 and 2,132.08

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Solution

The fourth proportional to 3,703.88, 5,111.43 and 2,132.08 is: 2,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.88 : 5,111.43 = 2,132.08 : x
  2. Step 2: Convert to fraction form
    3,703.88/5,111.43 = 2,132.08/x
  3. Step 3: Cross multiply
    3,703.88x = 5,111.43 × 2,132.08
  4. Step 4: Simplify right side
    3,703.88x = 10,897,977.67
  5. Step 5: Solve for x
    x = 10,897,977.67/3,703.88
  6. Step 6: Final answer
    x = 2,942.31

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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.