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Finding the Fourth Proportional to 5,589.94, 7,714.52 and 3,698.24

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Solution

The fourth proportional to 5,589.94, 7,714.52 and 3,698.24 is: 5,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.94 : 7,714.52 = 3,698.24 : x
  2. Step 2: Convert to fraction form
    5,589.94/7,714.52 = 3,698.24/x
  3. Step 3: Cross multiply
    5,589.94x = 7,714.52 × 3,698.24
  4. Step 4: Simplify right side
    5,589.94x = 28,530,146.44
  5. Step 5: Solve for x
    x = 28,530,146.44/5,589.94
  6. Step 6: Final answer
    x = 5,103.84

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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.