Home / 7,407.00-10,221.68-4,049.85

Finding the Fourth Proportional to 7,407.00, 10,221.68 and 4,049.85

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Solution

The fourth proportional to 7,407.00, 10,221.68 and 4,049.85 is: 5,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.00 : 10,221.68 = 4,049.85 : x
  2. Step 2: Convert to fraction form
    7,407.00/10,221.68 = 4,049.85/x
  3. Step 3: Cross multiply
    7,407.00x = 10,221.68 × 4,049.85
  4. Step 4: Simplify right side
    7,407.00x = 41,396,270.75
  5. Step 5: Solve for x
    x = 41,396,270.75/7,407.00
  6. Step 6: Final answer
    x = 5,588.81

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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.