Home / 5,873.72-8,105.87-3,221.17

Finding the Fourth Proportional to 5,873.72, 8,105.87 and 3,221.17

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Solution

The fourth proportional to 5,873.72, 8,105.87 and 3,221.17 is: 4,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.72 : 8,105.87 = 3,221.17 : x
  2. Step 2: Convert to fraction form
    5,873.72/8,105.87 = 3,221.17/x
  3. Step 3: Cross multiply
    5,873.72x = 8,105.87 × 3,221.17
  4. Step 4: Simplify right side
    5,873.72x = 26,110,373.06
  5. Step 5: Solve for x
    x = 26,110,373.06/5,873.72
  6. Step 6: Final answer
    x = 4,445.29

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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.