Home / 5,371.73-7,412.33-2,981.69

Finding the Fourth Proportional to 5,371.73, 7,412.33 and 2,981.69

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Solution

The fourth proportional to 5,371.73, 7,412.33 and 2,981.69 is: 4,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.73 : 7,412.33 = 2,981.69 : x
  2. Step 2: Convert to fraction form
    5,371.73/7,412.33 = 2,981.69/x
  3. Step 3: Cross multiply
    5,371.73x = 7,412.33 × 2,981.69
  4. Step 4: Simplify right side
    5,371.73x = 22,101,240.63
  5. Step 5: Solve for x
    x = 22,101,240.63/5,371.73
  6. Step 6: Final answer
    x = 4,114.37

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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.