Home / 2,612.22-3,604.79-1,589.79

Finding the Fourth Proportional to 2,612.22, 3,604.79 and 1,589.79

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Solution

The fourth proportional to 2,612.22, 3,604.79 and 1,589.79 is: 2,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.22 : 3,604.79 = 1,589.79 : x
  2. Step 2: Convert to fraction form
    2,612.22/3,604.79 = 1,589.79/x
  3. Step 3: Cross multiply
    2,612.22x = 3,604.79 × 1,589.79
  4. Step 4: Simplify right side
    2,612.22x = 5,730,844.68
  5. Step 5: Solve for x
    x = 5,730,844.68/2,612.22
  6. Step 6: Final answer
    x = 2,193.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.