Home / 4,080.27-6,120.87-1,158.73

Finding the Fourth Proportional to 4,080.27, 6,120.87 and 1,158.73

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Solution

The fourth proportional to 4,080.27, 6,120.87 and 1,158.73 is: 1,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.27 : 6,120.87 = 1,158.73 : x
  2. Step 2: Convert to fraction form
    4,080.27/6,120.87 = 1,158.73/x
  3. Step 3: Cross multiply
    4,080.27x = 6,120.87 × 1,158.73
  4. Step 4: Simplify right side
    4,080.27x = 7,092,435.70
  5. Step 5: Solve for x
    x = 7,092,435.70/4,080.27
  6. Step 6: Final answer
    x = 1,738.23

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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.