Home / 4,174.80-5,761.44-2,311.92

Finding the Fourth Proportional to 4,174.80, 5,761.44 and 2,311.92

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Solution

The fourth proportional to 4,174.80, 5,761.44 and 2,311.92 is: 3,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.80 : 5,761.44 = 2,311.92 : x
  2. Step 2: Convert to fraction form
    4,174.80/5,761.44 = 2,311.92/x
  3. Step 3: Cross multiply
    4,174.80x = 5,761.44 × 2,311.92
  4. Step 4: Simplify right side
    4,174.80x = 13,319,988.36
  5. Step 5: Solve for x
    x = 13,319,988.36/4,174.80
  6. Step 6: Final answer
    x = 3,190.57

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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.