Home / 5,821.81-8,732.73-2,124.04

Finding the Fourth Proportional to 5,821.81, 8,732.73 and 2,124.04

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Solution

The fourth proportional to 5,821.81, 8,732.73 and 2,124.04 is: 3,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.81 : 8,732.73 = 2,124.04 : x
  2. Step 2: Convert to fraction form
    5,821.81/8,732.73 = 2,124.04/x
  3. Step 3: Cross multiply
    5,821.81x = 8,732.73 × 2,124.04
  4. Step 4: Simplify right side
    5,821.81x = 18,548,667.83
  5. Step 5: Solve for x
    x = 18,548,667.83/5,821.81
  6. Step 6: Final answer
    x = 3,186.07

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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.