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Finding the Fourth Proportional to 5,591.70, 7,716.15 and 3,073.77

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Solution

The fourth proportional to 5,591.70, 7,716.15 and 3,073.77 is: 4,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.70 : 7,716.15 = 3,073.77 : x
  2. Step 2: Convert to fraction form
    5,591.70/7,716.15 = 3,073.77/x
  3. Step 3: Cross multiply
    5,591.70x = 7,716.15 × 3,073.77
  4. Step 4: Simplify right side
    5,591.70x = 23,717,670.39
  5. Step 5: Solve for x
    x = 23,717,670.39/5,591.70
  6. Step 6: Final answer
    x = 4,241.58

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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.