Home / 5,556.36-8,331.30-3,243

Finding the Fourth Proportional to 5,556.36, 8,331.30 and 3,243

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Solution

The fourth proportional to 5,556.36, 8,331.30 and 3,243 is: 4,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.36 : 8,331.30 = 3,243 : x
  2. Step 2: Convert to fraction form
    5,556.36/8,331.30 = 3,243/x
  3. Step 3: Cross multiply
    5,556.36x = 8,331.30 × 3,243
  4. Step 4: Simplify right side
    5,556.36x = 27,018,405.90
  5. Step 5: Solve for x
    x = 27,018,405.90/5,556.36
  6. Step 6: Final answer
    x = 4,862.61

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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.