Home / 5,212.71-7,193.30-2,943.99

Finding the Fourth Proportional to 5,212.71, 7,193.30 and 2,943.99

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Solution

The fourth proportional to 5,212.71, 7,193.30 and 2,943.99 is: 4,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.71 : 7,193.30 = 2,943.99 : x
  2. Step 2: Convert to fraction form
    5,212.71/7,193.30 = 2,943.99/x
  3. Step 3: Cross multiply
    5,212.71x = 7,193.30 × 2,943.99
  4. Step 4: Simplify right side
    5,212.71x = 21,176,988.55
  5. Step 5: Solve for x
    x = 21,176,988.55/5,212.71
  6. Step 6: Final answer
    x = 4,062.57

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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.