Home / 3,717.18-5,579.28-2,824.56

Finding the Fourth Proportional to 3,717.18, 5,579.28 and 2,824.56

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Solution

The fourth proportional to 3,717.18, 5,579.28 and 2,824.56 is: 4,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.18 : 5,579.28 = 2,824.56 : x
  2. Step 2: Convert to fraction form
    3,717.18/5,579.28 = 2,824.56/x
  3. Step 3: Cross multiply
    3,717.18x = 5,579.28 × 2,824.56
  4. Step 4: Simplify right side
    3,717.18x = 15,759,011.12
  5. Step 5: Solve for x
    x = 15,759,011.12/3,717.18
  6. Step 6: Final answer
    x = 4,239.51

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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.