Home / 6,880.74-10,325.97-2,720.88

Finding the Fourth Proportional to 6,880.74, 10,325.97 and 2,720.88

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Solution

The fourth proportional to 6,880.74, 10,325.97 and 2,720.88 is: 4,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.74 : 10,325.97 = 2,720.88 : x
  2. Step 2: Convert to fraction form
    6,880.74/10,325.97 = 2,720.88/x
  3. Step 3: Cross multiply
    6,880.74x = 10,325.97 × 2,720.88
  4. Step 4: Simplify right side
    6,880.74x = 28,095,711.65
  5. Step 5: Solve for x
    x = 28,095,711.65/6,880.74
  6. Step 6: Final answer
    x = 4,083.24

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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.