Home / 3,184.25-4,777.59-1,236.61

Finding the Fourth Proportional to 3,184.25, 4,777.59 and 1,236.61

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Solution

The fourth proportional to 3,184.25, 4,777.59 and 1,236.61 is: 1,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.25 : 4,777.59 = 1,236.61 : x
  2. Step 2: Convert to fraction form
    3,184.25/4,777.59 = 1,236.61/x
  3. Step 3: Cross multiply
    3,184.25x = 4,777.59 × 1,236.61
  4. Step 4: Simplify right side
    3,184.25x = 5,907,991.68
  5. Step 5: Solve for x
    x = 5,907,991.68/3,184.25
  6. Step 6: Final answer
    x = 1,855.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.