Home / 6,121.06-8,444.06-3,995.60

Finding the Fourth Proportional to 6,121.06, 8,444.06 and 3,995.60

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Solution

The fourth proportional to 6,121.06, 8,444.06 and 3,995.60 is: 5,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.06 : 8,444.06 = 3,995.60 : x
  2. Step 2: Convert to fraction form
    6,121.06/8,444.06 = 3,995.60/x
  3. Step 3: Cross multiply
    6,121.06x = 8,444.06 × 3,995.60
  4. Step 4: Simplify right side
    6,121.06x = 33,739,086.14
  5. Step 5: Solve for x
    x = 33,739,086.14/6,121.06
  6. Step 6: Final answer
    x = 5,511.97

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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.