Home / 5,243.91-7,236.77-3,006.21

Finding the Fourth Proportional to 5,243.91, 7,236.77 and 3,006.21

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Solution

The fourth proportional to 5,243.91, 7,236.77 and 3,006.21 is: 4,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.91 : 7,236.77 = 3,006.21 : x
  2. Step 2: Convert to fraction form
    5,243.91/7,236.77 = 3,006.21/x
  3. Step 3: Cross multiply
    5,243.91x = 7,236.77 × 3,006.21
  4. Step 4: Simplify right side
    5,243.91x = 21,755,289.93
  5. Step 5: Solve for x
    x = 21,755,289.93/5,243.91
  6. Step 6: Final answer
    x = 4,148.67

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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.