Home / 3,719.58-5,133.17-2,227.20

Finding the Fourth Proportional to 3,719.58, 5,133.17 and 2,227.20

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Solution

The fourth proportional to 3,719.58, 5,133.17 and 2,227.20 is: 3,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.58 : 5,133.17 = 2,227.20 : x
  2. Step 2: Convert to fraction form
    3,719.58/5,133.17 = 2,227.20/x
  3. Step 3: Cross multiply
    3,719.58x = 5,133.17 × 2,227.20
  4. Step 4: Simplify right side
    3,719.58x = 11,432,559.42
  5. Step 5: Solve for x
    x = 11,432,559.42/3,719.58
  6. Step 6: Final answer
    x = 3,073.62

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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.