Home / 3,556.98-5,336.25-1,091.99

Finding the Fourth Proportional to 3,556.98, 5,336.25 and 1,091.99

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Solution

The fourth proportional to 3,556.98, 5,336.25 and 1,091.99 is: 1,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.98 : 5,336.25 = 1,091.99 : x
  2. Step 2: Convert to fraction form
    3,556.98/5,336.25 = 1,091.99/x
  3. Step 3: Cross multiply
    3,556.98x = 5,336.25 × 1,091.99
  4. Step 4: Simplify right side
    3,556.98x = 5,827,104.96
  5. Step 5: Solve for x
    x = 5,827,104.96/3,556.98
  6. Step 6: Final answer
    x = 1,638.22

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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.