Home / 5,685.74-8,523.53-2,722.36

Finding the Fourth Proportional to 5,685.74, 8,523.53 and 2,722.36

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Solution

The fourth proportional to 5,685.74, 8,523.53 and 2,722.36 is: 4,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.74 : 8,523.53 = 2,722.36 : x
  2. Step 2: Convert to fraction form
    5,685.74/8,523.53 = 2,722.36/x
  3. Step 3: Cross multiply
    5,685.74x = 8,523.53 × 2,722.36
  4. Step 4: Simplify right side
    5,685.74x = 23,204,108.40
  5. Step 5: Solve for x
    x = 23,204,108.40/5,685.74
  6. Step 6: Final answer
    x = 4,081.10

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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.