Home / 6,181.97-8,531.75-3,529.79

Finding the Fourth Proportional to 6,181.97, 8,531.75 and 3,529.79

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Solution

The fourth proportional to 6,181.97, 8,531.75 and 3,529.79 is: 4,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.97 : 8,531.75 = 3,529.79 : x
  2. Step 2: Convert to fraction form
    6,181.97/8,531.75 = 3,529.79/x
  3. Step 3: Cross multiply
    6,181.97x = 8,531.75 × 3,529.79
  4. Step 4: Simplify right side
    6,181.97x = 30,115,225.52
  5. Step 5: Solve for x
    x = 30,115,225.52/6,181.97
  6. Step 6: Final answer
    x = 4,871.46

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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.