Home / 5,723.70-8,586.45-1,827.78

Finding the Fourth Proportional to 5,723.70, 8,586.45 and 1,827.78

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Solution

The fourth proportional to 5,723.70, 8,586.45 and 1,827.78 is: 2,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.70 : 8,586.45 = 1,827.78 : x
  2. Step 2: Convert to fraction form
    5,723.70/8,586.45 = 1,827.78/x
  3. Step 3: Cross multiply
    5,723.70x = 8,586.45 × 1,827.78
  4. Step 4: Simplify right side
    5,723.70x = 15,694,141.58
  5. Step 5: Solve for x
    x = 15,694,141.58/5,723.70
  6. Step 6: Final answer
    x = 2,741.96

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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.