Home / 5,080.10-7,622.04-2,160.68

Finding the Fourth Proportional to 5,080.10, 7,622.04 and 2,160.68

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Solution

The fourth proportional to 5,080.10, 7,622.04 and 2,160.68 is: 3,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.10 : 7,622.04 = 2,160.68 : x
  2. Step 2: Convert to fraction form
    5,080.10/7,622.04 = 2,160.68/x
  3. Step 3: Cross multiply
    5,080.10x = 7,622.04 × 2,160.68
  4. Step 4: Simplify right side
    5,080.10x = 16,468,789.39
  5. Step 5: Solve for x
    x = 16,468,789.39/5,080.10
  6. Step 6: Final answer
    x = 3,241.82

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1.5x scale

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.