Home / 5,704.60-8,559.64-2,781.31

Finding the Fourth Proportional to 5,704.60, 8,559.64 and 2,781.31

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Solution

The fourth proportional to 5,704.60, 8,559.64 and 2,781.31 is: 4,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.60 : 8,559.64 = 2,781.31 : x
  2. Step 2: Convert to fraction form
    5,704.60/8,559.64 = 2,781.31/x
  3. Step 3: Cross multiply
    5,704.60x = 8,559.64 × 2,781.31
  4. Step 4: Simplify right side
    5,704.60x = 23,807,012.33
  5. Step 5: Solve for x
    x = 23,807,012.33/5,704.60
  6. Step 6: Final answer
    x = 4,173.30

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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.