Home / 7,355.24-10,149.94-3,998.02

Finding the Fourth Proportional to 7,355.24, 10,149.94 and 3,998.02

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Solution

The fourth proportional to 7,355.24, 10,149.94 and 3,998.02 is: 5,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.24 : 10,149.94 = 3,998.02 : x
  2. Step 2: Convert to fraction form
    7,355.24/10,149.94 = 3,998.02/x
  3. Step 3: Cross multiply
    7,355.24x = 10,149.94 × 3,998.02
  4. Step 4: Simplify right side
    7,355.24x = 40,579,663.12
  5. Step 5: Solve for x
    x = 40,579,663.12/7,355.24
  6. Step 6: Final answer
    x = 5,517.11

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1.5x scale

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.