Home / 5,709.12-8,550.75-3,072.03

Finding the Fourth Proportional to 5,709.12, 8,550.75 and 3,072.03

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Solution

The fourth proportional to 5,709.12, 8,550.75 and 3,072.03 is: 4,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.12 : 8,550.75 = 3,072.03 : x
  2. Step 2: Convert to fraction form
    5,709.12/8,550.75 = 3,072.03/x
  3. Step 3: Cross multiply
    5,709.12x = 8,550.75 × 3,072.03
  4. Step 4: Simplify right side
    5,709.12x = 26,268,160.52
  5. Step 5: Solve for x
    x = 26,268,160.52/5,709.12
  6. Step 6: Final answer
    x = 4,601.09

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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.