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Finding the Fourth Proportional to 4,813.95, 7,221.94 and 2,734.92

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Solution

The fourth proportional to 4,813.95, 7,221.94 and 2,734.92 is: 4,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.95 : 7,221.94 = 2,734.92 : x
  2. Step 2: Convert to fraction form
    4,813.95/7,221.94 = 2,734.92/x
  3. Step 3: Cross multiply
    4,813.95x = 7,221.94 × 2,734.92
  4. Step 4: Simplify right side
    4,813.95x = 19,751,428.14
  5. Step 5: Solve for x
    x = 19,751,428.14/4,813.95
  6. Step 6: Final answer
    x = 4,102.96

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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.