Home / 3,725.22-5,589.38-1,972.21

Finding the Fourth Proportional to 3,725.22, 5,589.38 and 1,972.21

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Solution

The fourth proportional to 3,725.22, 5,589.38 and 1,972.21 is: 2,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.22 : 5,589.38 = 1,972.21 : x
  2. Step 2: Convert to fraction form
    3,725.22/5,589.38 = 1,972.21/x
  3. Step 3: Cross multiply
    3,725.22x = 5,589.38 × 1,972.21
  4. Step 4: Simplify right side
    3,725.22x = 11,023,431.13
  5. Step 5: Solve for x
    x = 11,023,431.13/3,725.22
  6. Step 6: Final answer
    x = 2,959.14

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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.