Home / 2,720.92-3,756.44-1,791.04

Finding the Fourth Proportional to 2,720.92, 3,756.44 and 1,791.04

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Solution

The fourth proportional to 2,720.92, 3,756.44 and 1,791.04 is: 2,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.92 : 3,756.44 = 1,791.04 : x
  2. Step 2: Convert to fraction form
    2,720.92/3,756.44 = 1,791.04/x
  3. Step 3: Cross multiply
    2,720.92x = 3,756.44 × 1,791.04
  4. Step 4: Simplify right side
    2,720.92x = 6,727,934.30
  5. Step 5: Solve for x
    x = 6,727,934.30/2,720.92
  6. Step 6: Final answer
    x = 2,472.67

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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.