Home / 5,812.13-8,017.07-3,821.96

Finding the Fourth Proportional to 5,812.13, 8,017.07 and 3,821.96

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Solution

The fourth proportional to 5,812.13, 8,017.07 and 3,821.96 is: 5,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.13 : 8,017.07 = 3,821.96 : x
  2. Step 2: Convert to fraction form
    5,812.13/8,017.07 = 3,821.96/x
  3. Step 3: Cross multiply
    5,812.13x = 8,017.07 × 3,821.96
  4. Step 4: Simplify right side
    5,812.13x = 30,640,861.66
  5. Step 5: Solve for x
    x = 30,640,861.66/5,812.13
  6. Step 6: Final answer
    x = 5,271.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.