Home / 5,722.56-7,897.08-3,204.90

Finding the Fourth Proportional to 5,722.56, 7,897.08 and 3,204.90

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Solution

The fourth proportional to 5,722.56, 7,897.08 and 3,204.90 is: 4,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.56 : 7,897.08 = 3,204.90 : x
  2. Step 2: Convert to fraction form
    5,722.56/7,897.08 = 3,204.90/x
  3. Step 3: Cross multiply
    5,722.56x = 7,897.08 × 3,204.90
  4. Step 4: Simplify right side
    5,722.56x = 25,309,351.69
  5. Step 5: Solve for x
    x = 25,309,351.69/5,722.56
  6. Step 6: Final answer
    x = 4,422.73

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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.