Home / 8,080.83-12,121.40-2,534.05

Finding the Fourth Proportional to 8,080.83, 12,121.40 and 2,534.05

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Solution

The fourth proportional to 8,080.83, 12,121.40 and 2,534.05 is: 3,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.83 : 12,121.40 = 2,534.05 : x
  2. Step 2: Convert to fraction form
    8,080.83/12,121.40 = 2,534.05/x
  3. Step 3: Cross multiply
    8,080.83x = 12,121.40 × 2,534.05
  4. Step 4: Simplify right side
    8,080.83x = 30,716,233.67
  5. Step 5: Solve for x
    x = 30,716,233.67/8,080.83
  6. Step 6: Final answer
    x = 3,801.12

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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.