Home / 5,231.36-7,834.08-3,582.20

Finding the Fourth Proportional to 5,231.36, 7,834.08 and 3,582.20

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Solution

The fourth proportional to 5,231.36, 7,834.08 and 3,582.20 is: 5,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.36 : 7,834.08 = 3,582.20 : x
  2. Step 2: Convert to fraction form
    5,231.36/7,834.08 = 3,582.20/x
  3. Step 3: Cross multiply
    5,231.36x = 7,834.08 × 3,582.20
  4. Step 4: Simplify right side
    5,231.36x = 28,063,241.38
  5. Step 5: Solve for x
    x = 28,063,241.38/5,231.36
  6. Step 6: Final answer
    x = 5,364.43

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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.