Home / 4,850.84-7,278.06-2,540.72

Finding the Fourth Proportional to 4,850.84, 7,278.06 and 2,540.72

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Solution

The fourth proportional to 4,850.84, 7,278.06 and 2,540.72 is: 3,812.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.84 : 7,278.06 = 2,540.72 : x
  2. Step 2: Convert to fraction form
    4,850.84/7,278.06 = 2,540.72/x
  3. Step 3: Cross multiply
    4,850.84x = 7,278.06 × 2,540.72
  4. Step 4: Simplify right side
    4,850.84x = 18,491,512.60
  5. Step 5: Solve for x
    x = 18,491,512.60/4,850.84
  6. Step 6: Final answer
    x = 3,812.02

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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.