Home / 5,721.12-8,580.14-2,022.86

Finding the Fourth Proportional to 5,721.12, 8,580.14 and 2,022.86

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Solution

The fourth proportional to 5,721.12, 8,580.14 and 2,022.86 is: 3,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.12 : 8,580.14 = 2,022.86 : x
  2. Step 2: Convert to fraction form
    5,721.12/8,580.14 = 2,022.86/x
  3. Step 3: Cross multiply
    5,721.12x = 8,580.14 × 2,022.86
  4. Step 4: Simplify right side
    5,721.12x = 17,356,422.00
  5. Step 5: Solve for x
    x = 17,356,422.00/5,721.12
  6. Step 6: Final answer
    x = 3,033.75

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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.