Home / 6,182.68-8,531.82-3,388.12

Finding the Fourth Proportional to 6,182.68, 8,531.82 and 3,388.12

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Solution

The fourth proportional to 6,182.68, 8,531.82 and 3,388.12 is: 4,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,182.68 : 8,531.82 = 3,388.12 : x
  2. Step 2: Convert to fraction form
    6,182.68/8,531.82 = 3,388.12/x
  3. Step 3: Cross multiply
    6,182.68x = 8,531.82 × 3,388.12
  4. Step 4: Simplify right side
    6,182.68x = 28,906,829.98
  5. Step 5: Solve for x
    x = 28,906,829.98/6,182.68
  6. Step 6: Final answer
    x = 4,675.45

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1.5x scale

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.