Home / 4,319.43-5,961.70-2,808.88

Finding the Fourth Proportional to 4,319.43, 5,961.70 and 2,808.88

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Solution

The fourth proportional to 4,319.43, 5,961.70 and 2,808.88 is: 3,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.43 : 5,961.70 = 2,808.88 : x
  2. Step 2: Convert to fraction form
    4,319.43/5,961.70 = 2,808.88/x
  3. Step 3: Cross multiply
    4,319.43x = 5,961.70 × 2,808.88
  4. Step 4: Simplify right side
    4,319.43x = 16,745,688.50
  5. Step 5: Solve for x
    x = 16,745,688.50/4,319.43
  6. Step 6: Final answer
    x = 3,876.83

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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.