Home / 4,861.20-6,707.70-2,764.92

Finding the Fourth Proportional to 4,861.20, 6,707.70 and 2,764.92

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Solution

The fourth proportional to 4,861.20, 6,707.70 and 2,764.92 is: 3,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.20 : 6,707.70 = 2,764.92 : x
  2. Step 2: Convert to fraction form
    4,861.20/6,707.70 = 2,764.92/x
  3. Step 3: Cross multiply
    4,861.20x = 6,707.70 × 2,764.92
  4. Step 4: Simplify right side
    4,861.20x = 18,546,253.88
  5. Step 5: Solve for x
    x = 18,546,253.88/4,861.20
  6. Step 6: Final answer
    x = 3,815.16

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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.