Home / 6,186.78-8,539.35-4,200.66

Finding the Fourth Proportional to 6,186.78, 8,539.35 and 4,200.66

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Solution

The fourth proportional to 6,186.78, 8,539.35 and 4,200.66 is: 5,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.78 : 8,539.35 = 4,200.66 : x
  2. Step 2: Convert to fraction form
    6,186.78/8,539.35 = 4,200.66/x
  3. Step 3: Cross multiply
    6,186.78x = 8,539.35 × 4,200.66
  4. Step 4: Simplify right side
    6,186.78x = 35,870,905.97
  5. Step 5: Solve for x
    x = 35,870,905.97/6,186.78
  6. Step 6: Final answer
    x = 5,797.99

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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.