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Finding the Fourth Proportional to 5,547.87, 8,321.79 and 2,771.73

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Solution

The fourth proportional to 5,547.87, 8,321.79 and 2,771.73 is: 4,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.87 : 8,321.79 = 2,771.73 : x
  2. Step 2: Convert to fraction form
    5,547.87/8,321.79 = 2,771.73/x
  3. Step 3: Cross multiply
    5,547.87x = 8,321.79 × 2,771.73
  4. Step 4: Simplify right side
    5,547.87x = 23,065,755.00
  5. Step 5: Solve for x
    x = 23,065,755.00/5,547.87
  6. Step 6: Final answer
    x = 4,157.59

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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.