Home / 2,731.91-3,771.32-2,059.99

Finding the Fourth Proportional to 2,731.91, 3,771.32 and 2,059.99

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Solution

The fourth proportional to 2,731.91, 3,771.32 and 2,059.99 is: 2,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.91 : 3,771.32 = 2,059.99 : x
  2. Step 2: Convert to fraction form
    2,731.91/3,771.32 = 2,059.99/x
  3. Step 3: Cross multiply
    2,731.91x = 3,771.32 × 2,059.99
  4. Step 4: Simplify right side
    2,731.91x = 7,768,861.76
  5. Step 5: Solve for x
    x = 7,768,861.76/2,731.91
  6. Step 6: Final answer
    x = 2,843.75

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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.