Home / 5,512-7,584.24-5,320.48

Finding the Fourth Proportional to 5,512, 7,584.24 and 5,320.48

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Solution

The fourth proportional to 5,512, 7,584.24 and 5,320.48 is: 7,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512 : 7,584.24 = 5,320.48 : x
  2. Step 2: Convert to fraction form
    5,512/7,584.24 = 5,320.48/x
  3. Step 3: Cross multiply
    5,512x = 7,584.24 × 5,320.48
  4. Step 4: Simplify right side
    5,512x = 40,351,797.24
  5. Step 5: Solve for x
    x = 40,351,797.24/5,512
  6. Step 6: Final answer
    x = 7,320.72

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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.