Home / 7,731.98-11,600.13-2,541.50

Finding the Fourth Proportional to 7,731.98, 11,600.13 and 2,541.50

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Solution

The fourth proportional to 7,731.98, 11,600.13 and 2,541.50 is: 3,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.98 : 11,600.13 = 2,541.50 : x
  2. Step 2: Convert to fraction form
    7,731.98/11,600.13 = 2,541.50/x
  3. Step 3: Cross multiply
    7,731.98x = 11,600.13 × 2,541.50
  4. Step 4: Simplify right side
    7,731.98x = 29,481,730.40
  5. Step 5: Solve for x
    x = 29,481,730.40/7,731.98
  6. Step 6: Final answer
    x = 3,812.96

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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.