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Finding the Fourth Proportional to 4,822.86, 7,238.39 and 3,439.59

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Solution

The fourth proportional to 4,822.86, 7,238.39 and 3,439.59 is: 5,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.86 : 7,238.39 = 3,439.59 : x
  2. Step 2: Convert to fraction form
    4,822.86/7,238.39 = 3,439.59/x
  3. Step 3: Cross multiply
    4,822.86x = 7,238.39 × 3,439.59
  4. Step 4: Simplify right side
    4,822.86x = 24,897,093.86
  5. Step 5: Solve for x
    x = 24,897,093.86/4,822.86
  6. Step 6: Final answer
    x = 5,162.31

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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.