Home / 5,231.76-7,847.37-1,335.93

Finding the Fourth Proportional to 5,231.76, 7,847.37 and 1,335.93

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Solution

The fourth proportional to 5,231.76, 7,847.37 and 1,335.93 is: 2,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.76 : 7,847.37 = 1,335.93 : x
  2. Step 2: Convert to fraction form
    5,231.76/7,847.37 = 1,335.93/x
  3. Step 3: Cross multiply
    5,231.76x = 7,847.37 × 1,335.93
  4. Step 4: Simplify right side
    5,231.76x = 10,483,537.00
  5. Step 5: Solve for x
    x = 10,483,537.00/5,231.76
  6. Step 6: Final answer
    x = 2,003.83

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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.