Home / 5,419.32-7,474.86-3,324.28

Finding the Fourth Proportional to 5,419.32, 7,474.86 and 3,324.28

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Solution

The fourth proportional to 5,419.32, 7,474.86 and 3,324.28 is: 4,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.32 : 7,474.86 = 3,324.28 : x
  2. Step 2: Convert to fraction form
    5,419.32/7,474.86 = 3,324.28/x
  3. Step 3: Cross multiply
    5,419.32x = 7,474.86 × 3,324.28
  4. Step 4: Simplify right side
    5,419.32x = 24,848,527.60
  5. Step 5: Solve for x
    x = 24,848,527.60/5,419.32
  6. Step 6: Final answer
    x = 4,585.17

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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.