Home / 7,522.57-11,276.48-3,141.28

Finding the Fourth Proportional to 7,522.57, 11,276.48 and 3,141.28

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Solution

The fourth proportional to 7,522.57, 11,276.48 and 3,141.28 is: 4,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.57 : 11,276.48 = 3,141.28 : x
  2. Step 2: Convert to fraction form
    7,522.57/11,276.48 = 3,141.28/x
  3. Step 3: Cross multiply
    7,522.57x = 11,276.48 × 3,141.28
  4. Step 4: Simplify right side
    7,522.57x = 35,422,532.57
  5. Step 5: Solve for x
    x = 35,422,532.57/7,522.57
  6. Step 6: Final answer
    x = 4,708.84

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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.