Home / 2,722.60-4,080.66-2,074.60

Finding the Fourth Proportional to 2,722.60, 4,080.66 and 2,074.60

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Solution

The fourth proportional to 2,722.60, 4,080.66 and 2,074.60 is: 3,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.60 : 4,080.66 = 2,074.60 : x
  2. Step 2: Convert to fraction form
    2,722.60/4,080.66 = 2,074.60/x
  3. Step 3: Cross multiply
    2,722.60x = 4,080.66 × 2,074.60
  4. Step 4: Simplify right side
    2,722.60x = 8,465,737.24
  5. Step 5: Solve for x
    x = 8,465,737.24/2,722.60
  6. Step 6: Final answer
    x = 3,109.43

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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.