Home / 5,987.09-8,984.73-2,091.48

Finding the Fourth Proportional to 5,987.09, 8,984.73 and 2,091.48

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Solution

The fourth proportional to 5,987.09, 8,984.73 and 2,091.48 is: 3,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.09 : 8,984.73 = 2,091.48 : x
  2. Step 2: Convert to fraction form
    5,987.09/8,984.73 = 2,091.48/x
  3. Step 3: Cross multiply
    5,987.09x = 8,984.73 × 2,091.48
  4. Step 4: Simplify right side
    5,987.09x = 18,791,383.10
  5. Step 5: Solve for x
    x = 18,791,383.10/5,987.09
  6. Step 6: Final answer
    x = 3,138.65

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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.