Home / 4,863.24-7,279.79-3,931.02

Finding the Fourth Proportional to 4,863.24, 7,279.79 and 3,931.02

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Solution

The fourth proportional to 4,863.24, 7,279.79 and 3,931.02 is: 5,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.24 : 7,279.79 = 3,931.02 : x
  2. Step 2: Convert to fraction form
    4,863.24/7,279.79 = 3,931.02/x
  3. Step 3: Cross multiply
    4,863.24x = 7,279.79 × 3,931.02
  4. Step 4: Simplify right side
    4,863.24x = 28,616,980.43
  5. Step 5: Solve for x
    x = 28,616,980.43/4,863.24
  6. Step 6: Final answer
    x = 5,884.34

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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.