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Finding the Fourth Proportional to 4,797.53, 7,198.40 and 1,679.77

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Solution

The fourth proportional to 4,797.53, 7,198.40 and 1,679.77 is: 2,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.53 : 7,198.40 = 1,679.77 : x
  2. Step 2: Convert to fraction form
    4,797.53/7,198.40 = 1,679.77/x
  3. Step 3: Cross multiply
    4,797.53x = 7,198.40 × 1,679.77
  4. Step 4: Simplify right side
    4,797.53x = 12,091,656.37
  5. Step 5: Solve for x
    x = 12,091,656.37/4,797.53
  6. Step 6: Final answer
    x = 2,520.39

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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.