Home / 5,789.81-7,989.53-3,272.02

Finding the Fourth Proportional to 5,789.81, 7,989.53 and 3,272.02

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Solution

The fourth proportional to 5,789.81, 7,989.53 and 3,272.02 is: 4,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.81 : 7,989.53 = 3,272.02 : x
  2. Step 2: Convert to fraction form
    5,789.81/7,989.53 = 3,272.02/x
  3. Step 3: Cross multiply
    5,789.81x = 7,989.53 × 3,272.02
  4. Step 4: Simplify right side
    5,789.81x = 26,141,865.62
  5. Step 5: Solve for x
    x = 26,141,865.62/5,789.81
  6. Step 6: Final answer
    x = 4,515.15

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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.