Home / 5,929.56-8,896.92-2,811.75

Finding the Fourth Proportional to 5,929.56, 8,896.92 and 2,811.75

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Solution

The fourth proportional to 5,929.56, 8,896.92 and 2,811.75 is: 4,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.56 : 8,896.92 = 2,811.75 : x
  2. Step 2: Convert to fraction form
    5,929.56/8,896.92 = 2,811.75/x
  3. Step 3: Cross multiply
    5,929.56x = 8,896.92 × 2,811.75
  4. Step 4: Simplify right side
    5,929.56x = 25,015,914.81
  5. Step 5: Solve for x
    x = 25,015,914.81/5,929.56
  6. Step 6: Final answer
    x = 4,218.85

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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.