Home / 5,474.71-7,553.28-3,116.35

Finding the Fourth Proportional to 5,474.71, 7,553.28 and 3,116.35

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Solution

The fourth proportional to 5,474.71, 7,553.28 and 3,116.35 is: 4,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.71 : 7,553.28 = 3,116.35 : x
  2. Step 2: Convert to fraction form
    5,474.71/7,553.28 = 3,116.35/x
  3. Step 3: Cross multiply
    5,474.71x = 7,553.28 × 3,116.35
  4. Step 4: Simplify right side
    5,474.71x = 23,538,664.13
  5. Step 5: Solve for x
    x = 23,538,664.13/5,474.71
  6. Step 6: Final answer
    x = 4,299.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.