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Finding the Fourth Proportional to 5,890.74, 8,129.24 and 3,201.98

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Solution

The fourth proportional to 5,890.74, 8,129.24 and 3,201.98 is: 4,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.74 : 8,129.24 = 3,201.98 : x
  2. Step 2: Convert to fraction form
    5,890.74/8,129.24 = 3,201.98/x
  3. Step 3: Cross multiply
    5,890.74x = 8,129.24 × 3,201.98
  4. Step 4: Simplify right side
    5,890.74x = 26,029,607.24
  5. Step 5: Solve for x
    x = 26,029,607.24/5,890.74
  6. Step 6: Final answer
    x = 4,418.73

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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.