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Finding the Fourth Proportional to 5,890.56, 8,127.36 and 3,651.36

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Solution

The fourth proportional to 5,890.56, 8,127.36 and 3,651.36 is: 5,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.56 : 8,127.36 = 3,651.36 : x
  2. Step 2: Convert to fraction form
    5,890.56/8,127.36 = 3,651.36/x
  3. Step 3: Cross multiply
    5,890.56x = 8,127.36 × 3,651.36
  4. Step 4: Simplify right side
    5,890.56x = 29,675,917.21
  5. Step 5: Solve for x
    x = 29,675,917.21/5,890.56
  6. Step 6: Final answer
    x = 5,037.88

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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.