Home / 3,863.06-5,330.76-2,184.54

Finding the Fourth Proportional to 3,863.06, 5,330.76 and 2,184.54

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Solution

The fourth proportional to 3,863.06, 5,330.76 and 2,184.54 is: 3,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.06 : 5,330.76 = 2,184.54 : x
  2. Step 2: Convert to fraction form
    3,863.06/5,330.76 = 2,184.54/x
  3. Step 3: Cross multiply
    3,863.06x = 5,330.76 × 2,184.54
  4. Step 4: Simplify right side
    3,863.06x = 11,645,258.45
  5. Step 5: Solve for x
    x = 11,645,258.45/3,863.06
  6. Step 6: Final answer
    x = 3,014.52

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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.