Home / 5,418.40-7,474.15-3,292.86

Finding the Fourth Proportional to 5,418.40, 7,474.15 and 3,292.86

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Solution

The fourth proportional to 5,418.40, 7,474.15 and 3,292.86 is: 4,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.40 : 7,474.15 = 3,292.86 : x
  2. Step 2: Convert to fraction form
    5,418.40/7,474.15 = 3,292.86/x
  3. Step 3: Cross multiply
    5,418.40x = 7,474.15 × 3,292.86
  4. Step 4: Simplify right side
    5,418.40x = 24,611,313.10
  5. Step 5: Solve for x
    x = 24,611,313.10/5,418.40
  6. Step 6: Final answer
    x = 4,542.17

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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.