Home / 7,148.25-10,724.00-2,531.25

Finding the Fourth Proportional to 7,148.25, 10,724.00 and 2,531.25

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Solution

The fourth proportional to 7,148.25, 10,724.00 and 2,531.25 is: 3,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.25 : 10,724.00 = 2,531.25 : x
  2. Step 2: Convert to fraction form
    7,148.25/10,724.00 = 2,531.25/x
  3. Step 3: Cross multiply
    7,148.25x = 10,724.00 × 2,531.25
  4. Step 4: Simplify right side
    7,148.25x = 27,145,112.34
  5. Step 5: Solve for x
    x = 27,145,112.34/7,148.25
  6. Step 6: Final answer
    x = 3,797.45

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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.