Home / 6,080.80-9,120.12-2,185.24

Finding the Fourth Proportional to 6,080.80, 9,120.12 and 2,185.24

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Solution

The fourth proportional to 6,080.80, 9,120.12 and 2,185.24 is: 3,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.80 : 9,120.12 = 2,185.24 : x
  2. Step 2: Convert to fraction form
    6,080.80/9,120.12 = 2,185.24/x
  3. Step 3: Cross multiply
    6,080.80x = 9,120.12 × 2,185.24
  4. Step 4: Simplify right side
    6,080.80x = 19,929,651.03
  5. Step 5: Solve for x
    x = 19,929,651.03/6,080.80
  6. Step 6: Final answer
    x = 3,277.47

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Half scale
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Double scale
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Similar ratio
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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.