Home / 5,741.76-8,611.80-2,739.12

Finding the Fourth Proportional to 5,741.76, 8,611.80 and 2,739.12

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Solution

The fourth proportional to 5,741.76, 8,611.80 and 2,739.12 is: 4,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.76 : 8,611.80 = 2,739.12 : x
  2. Step 2: Convert to fraction form
    5,741.76/8,611.80 = 2,739.12/x
  3. Step 3: Cross multiply
    5,741.76x = 8,611.80 × 2,739.12
  4. Step 4: Simplify right side
    5,741.76x = 23,588,753.62
  5. Step 5: Solve for x
    x = 23,588,753.62/5,741.76
  6. Step 6: Final answer
    x = 4,108.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.