Home / 5,873.70-8,105.88-3,221.29

Finding the Fourth Proportional to 5,873.70, 8,105.88 and 3,221.29

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Solution

The fourth proportional to 5,873.70, 8,105.88 and 3,221.29 is: 4,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.70 : 8,105.88 = 3,221.29 : x
  2. Step 2: Convert to fraction form
    5,873.70/8,105.88 = 3,221.29/x
  3. Step 3: Cross multiply
    5,873.70x = 8,105.88 × 3,221.29
  4. Step 4: Simplify right side
    5,873.70x = 26,111,390.19
  5. Step 5: Solve for x
    x = 26,111,390.19/5,873.70
  6. Step 6: Final answer
    x = 4,445.48

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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.