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Finding the Fourth Proportional to 5,839.94, 8,059.12 and 3,187.37

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Solution

The fourth proportional to 5,839.94, 8,059.12 and 3,187.37 is: 4,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.94 : 8,059.12 = 3,187.37 : x
  2. Step 2: Convert to fraction form
    5,839.94/8,059.12 = 3,187.37/x
  3. Step 3: Cross multiply
    5,839.94x = 8,059.12 × 3,187.37
  4. Step 4: Simplify right side
    5,839.94x = 25,687,409.49
  5. Step 5: Solve for x
    x = 25,687,409.49/5,839.94
  6. Step 6: Final answer
    x = 4,398.57

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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.