Home / 5,221.26-7,832.12-1,523.81

Finding the Fourth Proportional to 5,221.26, 7,832.12 and 1,523.81

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Solution

The fourth proportional to 5,221.26, 7,832.12 and 1,523.81 is: 2,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.26 : 7,832.12 = 1,523.81 : x
  2. Step 2: Convert to fraction form
    5,221.26/7,832.12 = 1,523.81/x
  3. Step 3: Cross multiply
    5,221.26x = 7,832.12 × 1,523.81
  4. Step 4: Simplify right side
    5,221.26x = 11,934,616.00
  5. Step 5: Solve for x
    x = 11,934,616.00/5,221.26
  6. Step 6: Final answer
    x = 2,285.77

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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.