Home / 5,351.20-7,384.45-2,993.29

Finding the Fourth Proportional to 5,351.20, 7,384.45 and 2,993.29

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Solution

The fourth proportional to 5,351.20, 7,384.45 and 2,993.29 is: 4,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.20 : 7,384.45 = 2,993.29 : x
  2. Step 2: Convert to fraction form
    5,351.20/7,384.45 = 2,993.29/x
  3. Step 3: Cross multiply
    5,351.20x = 7,384.45 × 2,993.29
  4. Step 4: Simplify right side
    5,351.20x = 22,103,800.34
  5. Step 5: Solve for x
    x = 22,103,800.34/5,351.20
  6. Step 6: Final answer
    x = 4,130.62

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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.