Home / 7,490.75-11,232.68-2,223.86

Finding the Fourth Proportional to 7,490.75, 11,232.68 and 2,223.86

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Solution

The fourth proportional to 7,490.75, 11,232.68 and 2,223.86 is: 3,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.75 : 11,232.68 = 2,223.86 : x
  2. Step 2: Convert to fraction form
    7,490.75/11,232.68 = 2,223.86/x
  3. Step 3: Cross multiply
    7,490.75x = 11,232.68 × 2,223.86
  4. Step 4: Simplify right side
    7,490.75x = 24,979,840.46
  5. Step 5: Solve for x
    x = 24,979,840.46/7,490.75
  6. Step 6: Final answer
    x = 3,334.76

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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.