Home / 2,861.85-3,953.22-2,304.48

Finding the Fourth Proportional to 2,861.85, 3,953.22 and 2,304.48

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Solution

The fourth proportional to 2,861.85, 3,953.22 and 2,304.48 is: 3,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.85 : 3,953.22 = 2,304.48 : x
  2. Step 2: Convert to fraction form
    2,861.85/3,953.22 = 2,304.48/x
  3. Step 3: Cross multiply
    2,861.85x = 3,953.22 × 2,304.48
  4. Step 4: Simplify right side
    2,861.85x = 9,110,116.43
  5. Step 5: Solve for x
    x = 9,110,116.43/2,861.85
  6. Step 6: Final answer
    x = 3,183.30

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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.