Home / 5,838.26-8,760.72-2,140.00

Finding the Fourth Proportional to 5,838.26, 8,760.72 and 2,140.00

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Solution

The fourth proportional to 5,838.26, 8,760.72 and 2,140.00 is: 3,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.26 : 8,760.72 = 2,140.00 : x
  2. Step 2: Convert to fraction form
    5,838.26/8,760.72 = 2,140.00/x
  3. Step 3: Cross multiply
    5,838.26x = 8,760.72 × 2,140.00
  4. Step 4: Simplify right side
    5,838.26x = 18,747,926.92
  5. Step 5: Solve for x
    x = 18,747,926.92/5,838.26
  6. Step 6: Final answer
    x = 3,211.22

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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.