Home / 5,911.92-8,158.32-3,223.16

Finding the Fourth Proportional to 5,911.92, 8,158.32 and 3,223.16

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Solution

The fourth proportional to 5,911.92, 8,158.32 and 3,223.16 is: 4,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.92 : 8,158.32 = 3,223.16 : x
  2. Step 2: Convert to fraction form
    5,911.92/8,158.32 = 3,223.16/x
  3. Step 3: Cross multiply
    5,911.92x = 8,158.32 × 3,223.16
  4. Step 4: Simplify right side
    5,911.92x = 26,295,570.69
  5. Step 5: Solve for x
    x = 26,295,570.69/5,911.92
  6. Step 6: Final answer
    x = 4,447.89

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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.