Home / 6,181.62-8,531.26-3,529.08

Finding the Fourth Proportional to 6,181.62, 8,531.26 and 3,529.08

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Solution

The fourth proportional to 6,181.62, 8,531.26 and 3,529.08 is: 4,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.62 : 8,531.26 = 3,529.08 : x
  2. Step 2: Convert to fraction form
    6,181.62/8,531.26 = 3,529.08/x
  3. Step 3: Cross multiply
    6,181.62x = 8,531.26 × 3,529.08
  4. Step 4: Simplify right side
    6,181.62x = 30,107,499.04
  5. Step 5: Solve for x
    x = 30,107,499.04/6,181.62
  6. Step 6: Final answer
    x = 4,870.49

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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.