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Finding the Fourth Proportional to 5,840.50, 8,059.81 and 3,187.86

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Solution

The fourth proportional to 5,840.50, 8,059.81 and 3,187.86 is: 4,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.50 : 8,059.81 = 3,187.86 : x
  2. Step 2: Convert to fraction form
    5,840.50/8,059.81 = 3,187.86/x
  3. Step 3: Cross multiply
    5,840.50x = 8,059.81 × 3,187.86
  4. Step 4: Simplify right side
    5,840.50x = 25,693,529.97
  5. Step 5: Solve for x
    x = 25,693,529.97/5,840.50
  6. Step 6: Final answer
    x = 4,399.20

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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.