Home / 5,472.12-8,206.38-3,009.72

Finding the Fourth Proportional to 5,472.12, 8,206.38 and 3,009.72

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Solution

The fourth proportional to 5,472.12, 8,206.38 and 3,009.72 is: 4,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.12 : 8,206.38 = 3,009.72 : x
  2. Step 2: Convert to fraction form
    5,472.12/8,206.38 = 3,009.72/x
  3. Step 3: Cross multiply
    5,472.12x = 8,206.38 × 3,009.72
  4. Step 4: Simplify right side
    5,472.12x = 24,698,906.01
  5. Step 5: Solve for x
    x = 24,698,906.01/5,472.12
  6. Step 6: Final answer
    x = 4,513.59

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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.