Home / 6,746.88-10,121.52-2,066.79

Finding the Fourth Proportional to 6,746.88, 10,121.52 and 2,066.79

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Solution

The fourth proportional to 6,746.88, 10,121.52 and 2,066.79 is: 3,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.88 : 10,121.52 = 2,066.79 : x
  2. Step 2: Convert to fraction form
    6,746.88/10,121.52 = 2,066.79/x
  3. Step 3: Cross multiply
    6,746.88x = 10,121.52 × 2,066.79
  4. Step 4: Simplify right side
    6,746.88x = 20,919,056.32
  5. Step 5: Solve for x
    x = 20,919,056.32/6,746.88
  6. Step 6: Final answer
    x = 3,100.55

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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.