Home / 5,722.76-7,897.37-3,204.87

Finding the Fourth Proportional to 5,722.76, 7,897.37 and 3,204.87

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Solution

The fourth proportional to 5,722.76, 7,897.37 and 3,204.87 is: 4,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.76 : 7,897.37 = 3,204.87 : x
  2. Step 2: Convert to fraction form
    5,722.76/7,897.37 = 3,204.87/x
  3. Step 3: Cross multiply
    5,722.76x = 7,897.37 × 3,204.87
  4. Step 4: Simplify right side
    5,722.76x = 25,310,028.17
  5. Step 5: Solve for x
    x = 25,310,028.17/5,722.76
  6. Step 6: Final answer
    x = 4,422.70

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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.