Home / 4,918.41-6,787.21-2,680.24

Finding the Fourth Proportional to 4,918.41, 6,787.21 and 2,680.24

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Solution

The fourth proportional to 4,918.41, 6,787.21 and 2,680.24 is: 3,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.41 : 6,787.21 = 2,680.24 : x
  2. Step 2: Convert to fraction form
    4,918.41/6,787.21 = 2,680.24/x
  3. Step 3: Cross multiply
    4,918.41x = 6,787.21 × 2,680.24
  4. Step 4: Simplify right side
    4,918.41x = 18,191,366.08
  5. Step 5: Solve for x
    x = 18,191,366.08/4,918.41
  6. Step 6: Final answer
    x = 3,698.62

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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.