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Finding the Fourth Proportional to 2,682.60, 3,700.73 and 1,738.69

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Solution

The fourth proportional to 2,682.60, 3,700.73 and 1,738.69 is: 2,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.60 : 3,700.73 = 1,738.69 : x
  2. Step 2: Convert to fraction form
    2,682.60/3,700.73 = 1,738.69/x
  3. Step 3: Cross multiply
    2,682.60x = 3,700.73 × 1,738.69
  4. Step 4: Simplify right side
    2,682.60x = 6,434,422.24
  5. Step 5: Solve for x
    x = 6,434,422.24/2,682.60
  6. Step 6: Final answer
    x = 2,398.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.