Home / 5,871.12-8,104.91-3,634.45

Finding the Fourth Proportional to 5,871.12, 8,104.91 and 3,634.45

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Solution

The fourth proportional to 5,871.12, 8,104.91 and 3,634.45 is: 5,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.12 : 8,104.91 = 3,634.45 : x
  2. Step 2: Convert to fraction form
    5,871.12/8,104.91 = 3,634.45/x
  3. Step 3: Cross multiply
    5,871.12x = 8,104.91 × 3,634.45
  4. Step 4: Simplify right side
    5,871.12x = 29,456,917.75
  5. Step 5: Solve for x
    x = 29,456,917.75/5,871.12
  6. Step 6: Final answer
    x = 5,017.26

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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.