Home / 5,123.24-7,684.82-1,425.46

Finding the Fourth Proportional to 5,123.24, 7,684.82 and 1,425.46

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Solution

The fourth proportional to 5,123.24, 7,684.82 and 1,425.46 is: 2,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.24 : 7,684.82 = 1,425.46 : x
  2. Step 2: Convert to fraction form
    5,123.24/7,684.82 = 1,425.46/x
  3. Step 3: Cross multiply
    5,123.24x = 7,684.82 × 1,425.46
  4. Step 4: Simplify right side
    5,123.24x = 10,954,378.96
  5. Step 5: Solve for x
    x = 10,954,378.96/5,123.24
  6. Step 6: Final answer
    x = 2,138.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.