Home / 5,228.31-7,845.16-3,474.53

Finding the Fourth Proportional to 5,228.31, 7,845.16 and 3,474.53

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Solution

The fourth proportional to 5,228.31, 7,845.16 and 3,474.53 is: 5,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.31 : 7,845.16 = 3,474.53 : x
  2. Step 2: Convert to fraction form
    5,228.31/7,845.16 = 3,474.53/x
  3. Step 3: Cross multiply
    5,228.31x = 7,845.16 × 3,474.53
  4. Step 4: Simplify right side
    5,228.31x = 27,258,243.77
  5. Step 5: Solve for x
    x = 27,258,243.77/5,228.31
  6. Step 6: Final answer
    x = 5,213.59

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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.