Home / 5,215.72-7,824.60-2,294.02

Finding the Fourth Proportional to 5,215.72, 7,824.60 and 2,294.02

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Solution

The fourth proportional to 5,215.72, 7,824.60 and 2,294.02 is: 3,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.72 : 7,824.60 = 2,294.02 : x
  2. Step 2: Convert to fraction form
    5,215.72/7,824.60 = 2,294.02/x
  3. Step 3: Cross multiply
    5,215.72x = 7,824.60 × 2,294.02
  4. Step 4: Simplify right side
    5,215.72x = 17,949,754.66
  5. Step 5: Solve for x
    x = 17,949,754.66/5,215.72
  6. Step 6: Final answer
    x = 3,441.47

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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.