Home / 4,080.38-6,118.34-1,268.44

Finding the Fourth Proportional to 4,080.38, 6,118.34 and 1,268.44

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Solution

The fourth proportional to 4,080.38, 6,118.34 and 1,268.44 is: 1,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.38 : 6,118.34 = 1,268.44 : x
  2. Step 2: Convert to fraction form
    4,080.38/6,118.34 = 1,268.44/x
  3. Step 3: Cross multiply
    4,080.38x = 6,118.34 × 1,268.44
  4. Step 4: Simplify right side
    4,080.38x = 7,760,735.06
  5. Step 5: Solve for x
    x = 7,760,735.06/4,080.38
  6. Step 6: Final answer
    x = 1,901.96

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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.