Home / 5,972.64-8,242.26-3,320.09

Finding the Fourth Proportional to 5,972.64, 8,242.26 and 3,320.09

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Solution

The fourth proportional to 5,972.64, 8,242.26 and 3,320.09 is: 4,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.64 : 8,242.26 = 3,320.09 : x
  2. Step 2: Convert to fraction form
    5,972.64/8,242.26 = 3,320.09/x
  3. Step 3: Cross multiply
    5,972.64x = 8,242.26 × 3,320.09
  4. Step 4: Simplify right side
    5,972.64x = 27,365,022.25
  5. Step 5: Solve for x
    x = 27,365,022.25/5,972.64
  6. Step 6: Final answer
    x = 4,581.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.