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Finding the Fourth Proportional to 3,601.74, 5,398.48 and 1,518.63

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Solution

The fourth proportional to 3,601.74, 5,398.48 and 1,518.63 is: 2,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.74 : 5,398.48 = 1,518.63 : x
  2. Step 2: Convert to fraction form
    3,601.74/5,398.48 = 1,518.63/x
  3. Step 3: Cross multiply
    3,601.74x = 5,398.48 × 1,518.63
  4. Step 4: Simplify right side
    3,601.74x = 8,198,293.68
  5. Step 5: Solve for x
    x = 8,198,293.68/3,601.74
  6. Step 6: Final answer
    x = 2,276.20

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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.