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Finding the Fourth Proportional to 3,927.99, 5,891.58 and 3,789.48

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Solution

The fourth proportional to 3,927.99, 5,891.58 and 3,789.48 is: 5,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.99 : 5,891.58 = 3,789.48 : x
  2. Step 2: Convert to fraction form
    3,927.99/5,891.58 = 3,789.48/x
  3. Step 3: Cross multiply
    3,927.99x = 5,891.58 × 3,789.48
  4. Step 4: Simplify right side
    3,927.99x = 22,326,024.58
  5. Step 5: Solve for x
    x = 22,326,024.58/3,927.99
  6. Step 6: Final answer
    x = 5,683.83

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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.