Home / 3,396.70-4,680.42-2,730.88

Finding the Fourth Proportional to 3,396.70, 4,680.42 and 2,730.88

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Solution

The fourth proportional to 3,396.70, 4,680.42 and 2,730.88 is: 3,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.70 : 4,680.42 = 2,730.88 : x
  2. Step 2: Convert to fraction form
    3,396.70/4,680.42 = 2,730.88/x
  3. Step 3: Cross multiply
    3,396.70x = 4,680.42 × 2,730.88
  4. Step 4: Simplify right side
    3,396.70x = 12,781,665.37
  5. Step 5: Solve for x
    x = 12,781,665.37/3,396.70
  6. Step 6: Final answer
    x = 3,762.97

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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.