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Finding the Fourth Proportional to 2,080.65, 3,098.32 and 2,057.64

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Solution

The fourth proportional to 2,080.65, 3,098.32 and 2,057.64 is: 3,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.65 : 3,098.32 = 2,057.64 : x
  2. Step 2: Convert to fraction form
    2,080.65/3,098.32 = 2,057.64/x
  3. Step 3: Cross multiply
    2,080.65x = 3,098.32 × 2,057.64
  4. Step 4: Simplify right side
    2,080.65x = 6,375,227.16
  5. Step 5: Solve for x
    x = 6,375,227.16/2,080.65
  6. Step 6: Final answer
    x = 3,064.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.