Home / 4,252.70-5,867.78-2,680.22

Finding the Fourth Proportional to 4,252.70, 5,867.78 and 2,680.22

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Solution

The fourth proportional to 4,252.70, 5,867.78 and 2,680.22 is: 3,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.70 : 5,867.78 = 2,680.22 : x
  2. Step 2: Convert to fraction form
    4,252.70/5,867.78 = 2,680.22/x
  3. Step 3: Cross multiply
    4,252.70x = 5,867.78 × 2,680.22
  4. Step 4: Simplify right side
    4,252.70x = 15,726,941.31
  5. Step 5: Solve for x
    x = 15,726,941.31/4,252.70
  6. Step 6: Final answer
    x = 3,698.11

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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.