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Finding the Fourth Proportional to 3,973.43, 5,508.44 and 3,762.79

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Solution

The fourth proportional to 3,973.43, 5,508.44 and 3,762.79 is: 5,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.43 : 5,508.44 = 3,762.79 : x
  2. Step 2: Convert to fraction form
    3,973.43/5,508.44 = 3,762.79/x
  3. Step 3: Cross multiply
    3,973.43x = 5,508.44 × 3,762.79
  4. Step 4: Simplify right side
    3,973.43x = 20,727,098.58
  5. Step 5: Solve for x
    x = 20,727,098.58/3,973.43
  6. Step 6: Final answer
    x = 5,216.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.