Home / 4,143.28-5,719.59-2,727.71

Finding the Fourth Proportional to 4,143.28, 5,719.59 and 2,727.71

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Solution

The fourth proportional to 4,143.28, 5,719.59 and 2,727.71 is: 3,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.28 : 5,719.59 = 2,727.71 : x
  2. Step 2: Convert to fraction form
    4,143.28/5,719.59 = 2,727.71/x
  3. Step 3: Cross multiply
    4,143.28x = 5,719.59 × 2,727.71
  4. Step 4: Simplify right side
    4,143.28x = 15,601,354.24
  5. Step 5: Solve for x
    x = 15,601,354.24/4,143.28
  6. Step 6: Final answer
    x = 3,765.46

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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.