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Finding the Fourth Proportional to 3,826.99, 5,739.27 and 1,486.83

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Solution

The fourth proportional to 3,826.99, 5,739.27 and 1,486.83 is: 2,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.99 : 5,739.27 = 1,486.83 : x
  2. Step 2: Convert to fraction form
    3,826.99/5,739.27 = 1,486.83/x
  3. Step 3: Cross multiply
    3,826.99x = 5,739.27 × 1,486.83
  4. Step 4: Simplify right side
    3,826.99x = 8,533,318.81
  5. Step 5: Solve for x
    x = 8,533,318.81/3,826.99
  6. Step 6: Final answer
    x = 2,229.77

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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.