Home / 3,572.19-5,358.64-1,231.88

Finding the Fourth Proportional to 3,572.19, 5,358.64 and 1,231.88

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Solution

The fourth proportional to 3,572.19, 5,358.64 and 1,231.88 is: 1,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.19 : 5,358.64 = 1,231.88 : x
  2. Step 2: Convert to fraction form
    3,572.19/5,358.64 = 1,231.88/x
  3. Step 3: Cross multiply
    3,572.19x = 5,358.64 × 1,231.88
  4. Step 4: Simplify right side
    3,572.19x = 6,601,211.76
  5. Step 5: Solve for x
    x = 6,601,211.76/3,572.19
  6. Step 6: Final answer
    x = 1,847.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.