Home / 7,274.25-10,911.38-2,080.53

Finding the Fourth Proportional to 7,274.25, 10,911.38 and 2,080.53

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Solution

The fourth proportional to 7,274.25, 10,911.38 and 2,080.53 is: 3,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.25 : 10,911.38 = 2,080.53 : x
  2. Step 2: Convert to fraction form
    7,274.25/10,911.38 = 2,080.53/x
  3. Step 3: Cross multiply
    7,274.25x = 10,911.38 × 2,080.53
  4. Step 4: Simplify right side
    7,274.25x = 22,701,443.03
  5. Step 5: Solve for x
    x = 22,701,443.03/7,274.25
  6. Step 6: Final answer
    x = 3,120.80

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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.