Home / 5,987.07-8,980.62-2,091.48

Finding the Fourth Proportional to 5,987.07, 8,980.62 and 2,091.48

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Solution

The fourth proportional to 5,987.07, 8,980.62 and 2,091.48 is: 3,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.07 : 8,980.62 = 2,091.48 : x
  2. Step 2: Convert to fraction form
    5,987.07/8,980.62 = 2,091.48/x
  3. Step 3: Cross multiply
    5,987.07x = 8,980.62 × 2,091.48
  4. Step 4: Simplify right side
    5,987.07x = 18,782,787.12
  5. Step 5: Solve for x
    x = 18,782,787.12/5,987.07
  6. Step 6: Final answer
    x = 3,137.23

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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.