Home / 3,464.49-5,220.11-2,861.70

Finding the Fourth Proportional to 3,464.49, 5,220.11 and 2,861.70

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Solution

The fourth proportional to 3,464.49, 5,220.11 and 2,861.70 is: 4,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.49 : 5,220.11 = 2,861.70 : x
  2. Step 2: Convert to fraction form
    3,464.49/5,220.11 = 2,861.70/x
  3. Step 3: Cross multiply
    3,464.49x = 5,220.11 × 2,861.70
  4. Step 4: Simplify right side
    3,464.49x = 14,938,388.79
  5. Step 5: Solve for x
    x = 14,938,388.79/3,464.49
  6. Step 6: Final answer
    x = 4,311.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.