Home / 2,845.26-3,926.36-1,666.50

Finding the Fourth Proportional to 2,845.26, 3,926.36 and 1,666.50

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Solution

The fourth proportional to 2,845.26, 3,926.36 and 1,666.50 is: 2,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.26 : 3,926.36 = 1,666.50 : x
  2. Step 2: Convert to fraction form
    2,845.26/3,926.36 = 1,666.50/x
  3. Step 3: Cross multiply
    2,845.26x = 3,926.36 × 1,666.50
  4. Step 4: Simplify right side
    2,845.26x = 6,543,278.94
  5. Step 5: Solve for x
    x = 6,543,278.94/2,845.26
  6. Step 6: Final answer
    x = 2,299.71

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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.