Home / 5,911.08-8,157.29-3,222.30

Finding the Fourth Proportional to 5,911.08, 8,157.29 and 3,222.30

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Solution

The fourth proportional to 5,911.08, 8,157.29 and 3,222.30 is: 4,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.08 : 8,157.29 = 3,222.30 : x
  2. Step 2: Convert to fraction form
    5,911.08/8,157.29 = 3,222.30/x
  3. Step 3: Cross multiply
    5,911.08x = 8,157.29 × 3,222.30
  4. Step 4: Simplify right side
    5,911.08x = 26,285,235.57
  5. Step 5: Solve for x
    x = 26,285,235.57/5,911.08
  6. Step 6: Final answer
    x = 4,446.77

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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.