Home / 5,705.72-8,558.76-2,543.48

Finding the Fourth Proportional to 5,705.72, 8,558.76 and 2,543.48

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Solution

The fourth proportional to 5,705.72, 8,558.76 and 2,543.48 is: 3,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.72 : 8,558.76 = 2,543.48 : x
  2. Step 2: Convert to fraction form
    5,705.72/8,558.76 = 2,543.48/x
  3. Step 3: Cross multiply
    5,705.72x = 8,558.76 × 2,543.48
  4. Step 4: Simplify right side
    5,705.72x = 21,769,034.88
  5. Step 5: Solve for x
    x = 21,769,034.88/5,705.72
  6. Step 6: Final answer
    x = 3,815.30

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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.