Home / 7,867.49-11,801.64-2,531.10

Finding the Fourth Proportional to 7,867.49, 11,801.64 and 2,531.10

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Solution

The fourth proportional to 7,867.49, 11,801.64 and 2,531.10 is: 3,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.49 : 11,801.64 = 2,531.10 : x
  2. Step 2: Convert to fraction form
    7,867.49/11,801.64 = 2,531.10/x
  3. Step 3: Cross multiply
    7,867.49x = 11,801.64 × 2,531.10
  4. Step 4: Simplify right side
    7,867.49x = 29,871,131.00
  5. Step 5: Solve for x
    x = 29,871,131.00/7,867.49
  6. Step 6: Final answer
    x = 3,796.78

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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.