Home / 3,572.15-5,358.56-1,231.83

Finding the Fourth Proportional to 3,572.15, 5,358.56 and 1,231.83

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Solution

The fourth proportional to 3,572.15, 5,358.56 and 1,231.83 is: 1,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.15 : 5,358.56 = 1,231.83 : x
  2. Step 2: Convert to fraction form
    3,572.15/5,358.56 = 1,231.83/x
  3. Step 3: Cross multiply
    3,572.15x = 5,358.56 × 1,231.83
  4. Step 4: Simplify right side
    3,572.15x = 6,600,828.81
  5. Step 5: Solve for x
    x = 6,600,828.81/3,572.15
  6. Step 6: Final answer
    x = 1,847.86

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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.