Home / 5,087.22-7,629.66-1,967.64

Finding the Fourth Proportional to 5,087.22, 7,629.66 and 1,967.64

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Solution

The fourth proportional to 5,087.22, 7,629.66 and 1,967.64 is: 2,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.22 : 7,629.66 = 1,967.64 : x
  2. Step 2: Convert to fraction form
    5,087.22/7,629.66 = 1,967.64/x
  3. Step 3: Cross multiply
    5,087.22x = 7,629.66 × 1,967.64
  4. Step 4: Simplify right side
    5,087.22x = 15,012,424.20
  5. Step 5: Solve for x
    x = 15,012,424.20/5,087.22
  6. Step 6: Final answer
    x = 2,951.01

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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.