Home / 5,987.06-8,984.59-2,091.47

Finding the Fourth Proportional to 5,987.06, 8,984.59 and 2,091.47

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Solution

The fourth proportional to 5,987.06, 8,984.59 and 2,091.47 is: 3,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.06 : 8,984.59 = 2,091.47 : x
  2. Step 2: Convert to fraction form
    5,987.06/8,984.59 = 2,091.47/x
  3. Step 3: Cross multiply
    5,987.06x = 8,984.59 × 2,091.47
  4. Step 4: Simplify right side
    5,987.06x = 18,790,950.30
  5. Step 5: Solve for x
    x = 18,790,950.30/5,987.06
  6. Step 6: Final answer
    x = 3,138.59

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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.