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Finding the Fourth Proportional to 3,679.63, 5,077.89 and 2,023.63

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Solution

The fourth proportional to 3,679.63, 5,077.89 and 2,023.63 is: 2,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.63 : 5,077.89 = 2,023.63 : x
  2. Step 2: Convert to fraction form
    3,679.63/5,077.89 = 2,023.63/x
  3. Step 3: Cross multiply
    3,679.63x = 5,077.89 × 2,023.63
  4. Step 4: Simplify right side
    3,679.63x = 10,275,735.03
  5. Step 5: Solve for x
    x = 10,275,735.03/3,679.63
  6. Step 6: Final answer
    x = 2,792.60

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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.