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Finding the Fourth Proportional to 3,879.52, 5,810.22 and 2,836.93

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Solution

The fourth proportional to 3,879.52, 5,810.22 and 2,836.93 is: 4,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.52 : 5,810.22 = 2,836.93 : x
  2. Step 2: Convert to fraction form
    3,879.52/5,810.22 = 2,836.93/x
  3. Step 3: Cross multiply
    3,879.52x = 5,810.22 × 2,836.93
  4. Step 4: Simplify right side
    3,879.52x = 16,483,187.42
  5. Step 5: Solve for x
    x = 16,483,187.42/3,879.52
  6. Step 6: Final answer
    x = 4,248.77

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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.