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Finding the Fourth Proportional to 2,486.44, 3,730.26 and 1,757.44

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Solution

The fourth proportional to 2,486.44, 3,730.26 and 1,757.44 is: 2,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.44 : 3,730.26 = 1,757.44 : x
  2. Step 2: Convert to fraction form
    2,486.44/3,730.26 = 1,757.44/x
  3. Step 3: Cross multiply
    2,486.44x = 3,730.26 × 1,757.44
  4. Step 4: Simplify right side
    2,486.44x = 6,555,708.13
  5. Step 5: Solve for x
    x = 6,555,708.13/2,486.44
  6. Step 6: Final answer
    x = 2,636.58

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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.