Home / 4,918.54-6,787.49-2,680.43

Finding the Fourth Proportional to 4,918.54, 6,787.49 and 2,680.43

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Solution

The fourth proportional to 4,918.54, 6,787.49 and 2,680.43 is: 3,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.54 : 6,787.49 = 2,680.43 : x
  2. Step 2: Convert to fraction form
    4,918.54/6,787.49 = 2,680.43/x
  3. Step 3: Cross multiply
    4,918.54x = 6,787.49 × 2,680.43
  4. Step 4: Simplify right side
    4,918.54x = 18,193,391.82
  5. Step 5: Solve for x
    x = 18,193,391.82/4,918.54
  6. Step 6: Final answer
    x = 3,698.95

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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.