Home / 7,247.89-10,869.83-2,567.28

Finding the Fourth Proportional to 7,247.89, 10,869.83 and 2,567.28

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Solution

The fourth proportional to 7,247.89, 10,869.83 and 2,567.28 is: 3,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.89 : 10,869.83 = 2,567.28 : x
  2. Step 2: Convert to fraction form
    7,247.89/10,869.83 = 2,567.28/x
  3. Step 3: Cross multiply
    7,247.89x = 10,869.83 × 2,567.28
  4. Step 4: Simplify right side
    7,247.89x = 27,905,897.16
  5. Step 5: Solve for x
    x = 27,905,897.16/7,247.89
  6. Step 6: Final answer
    x = 3,850.21

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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.