Home / 4,789.17-7,183.76-3,141.63

Finding the Fourth Proportional to 4,789.17, 7,183.76 and 3,141.63

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Solution

The fourth proportional to 4,789.17, 7,183.76 and 3,141.63 is: 4,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.17 : 7,183.76 = 3,141.63 : x
  2. Step 2: Convert to fraction form
    4,789.17/7,183.76 = 3,141.63/x
  3. Step 3: Cross multiply
    4,789.17x = 7,183.76 × 3,141.63
  4. Step 4: Simplify right side
    4,789.17x = 22,568,700.22
  5. Step 5: Solve for x
    x = 22,568,700.22/4,789.17
  6. Step 6: Final answer
    x = 4,712.45

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Similar ratio
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1.5x scale

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.