Home / 4,221.04-5,816.28-3,589.36

Finding the Fourth Proportional to 4,221.04, 5,816.28 and 3,589.36

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Solution

The fourth proportional to 4,221.04, 5,816.28 and 3,589.36 is: 4,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.04 : 5,816.28 = 3,589.36 : x
  2. Step 2: Convert to fraction form
    4,221.04/5,816.28 = 3,589.36/x
  3. Step 3: Cross multiply
    4,221.04x = 5,816.28 × 3,589.36
  4. Step 4: Simplify right side
    4,221.04x = 20,876,722.78
  5. Step 5: Solve for x
    x = 20,876,722.78/4,221.04
  6. Step 6: Final answer
    x = 4,945.87

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Double scale
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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.