Home / 5,318.07-7,974.63-2,029.11

Finding the Fourth Proportional to 5,318.07, 7,974.63 and 2,029.11

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Solution

The fourth proportional to 5,318.07, 7,974.63 and 2,029.11 is: 3,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.07 : 7,974.63 = 2,029.11 : x
  2. Step 2: Convert to fraction form
    5,318.07/7,974.63 = 2,029.11/x
  3. Step 3: Cross multiply
    5,318.07x = 7,974.63 × 2,029.11
  4. Step 4: Simplify right side
    5,318.07x = 16,181,401.48
  5. Step 5: Solve for x
    x = 16,181,401.48/5,318.07
  6. Step 6: Final answer
    x = 3,042.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.