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Finding the Fourth Proportional to 3,359.91, 4,636.89 and 1,867.83

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Solution

The fourth proportional to 3,359.91, 4,636.89 and 1,867.83 is: 2,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.91 : 4,636.89 = 1,867.83 : x
  2. Step 2: Convert to fraction form
    3,359.91/4,636.89 = 1,867.83/x
  3. Step 3: Cross multiply
    3,359.91x = 4,636.89 × 1,867.83
  4. Step 4: Simplify right side
    3,359.91x = 8,660,922.25
  5. Step 5: Solve for x
    x = 8,660,922.25/3,359.91
  6. Step 6: Final answer
    x = 2,577.72

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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.