Home / 7,324.13-10,108.30-4,491

Finding the Fourth Proportional to 7,324.13, 10,108.30 and 4,491

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Solution

The fourth proportional to 7,324.13, 10,108.30 and 4,491 is: 6,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.13 : 10,108.30 = 4,491 : x
  2. Step 2: Convert to fraction form
    7,324.13/10,108.30 = 4,491/x
  3. Step 3: Cross multiply
    7,324.13x = 10,108.30 × 4,491
  4. Step 4: Simplify right side
    7,324.13x = 45,396,364.07
  5. Step 5: Solve for x
    x = 45,396,364.07/7,324.13
  6. Step 6: Final answer
    x = 6,198.19

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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.