Home / 3,082.28-4,258.98-2,284.46

Finding the Fourth Proportional to 3,082.28, 4,258.98 and 2,284.46

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Solution

The fourth proportional to 3,082.28, 4,258.98 and 2,284.46 is: 3,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.28 : 4,258.98 = 2,284.46 : x
  2. Step 2: Convert to fraction form
    3,082.28/4,258.98 = 2,284.46/x
  3. Step 3: Cross multiply
    3,082.28x = 4,258.98 × 2,284.46
  4. Step 4: Simplify right side
    3,082.28x = 9,729,469.45
  5. Step 5: Solve for x
    x = 9,729,469.45/3,082.28
  6. Step 6: Final answer
    x = 3,156.58

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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.