Home / 3,298.71-4,926.64-2,861.31

Finding the Fourth Proportional to 3,298.71, 4,926.64 and 2,861.31

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Solution

The fourth proportional to 3,298.71, 4,926.64 and 2,861.31 is: 4,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.71 : 4,926.64 = 2,861.31 : x
  2. Step 2: Convert to fraction form
    3,298.71/4,926.64 = 2,861.31/x
  3. Step 3: Cross multiply
    3,298.71x = 4,926.64 × 2,861.31
  4. Step 4: Simplify right side
    3,298.71x = 14,096,637.15
  5. Step 5: Solve for x
    x = 14,096,637.15/3,298.71
  6. Step 6: Final answer
    x = 4,273.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.