Home / 3,158-4,733.39-1,771.97

Finding the Fourth Proportional to 3,158, 4,733.39 and 1,771.97

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Solution

The fourth proportional to 3,158, 4,733.39 and 1,771.97 is: 2,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158 : 4,733.39 = 1,771.97 : x
  2. Step 2: Convert to fraction form
    3,158/4,733.39 = 1,771.97/x
  3. Step 3: Cross multiply
    3,158x = 4,733.39 × 1,771.97
  4. Step 4: Simplify right side
    3,158x = 8,387,416.22
  5. Step 5: Solve for x
    x = 8,387,416.22/3,158
  6. Step 6: Final answer
    x = 2,655.93

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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.