Home / 3,556.70-5,331-1,364.48

Finding the Fourth Proportional to 3,556.70, 5,331 and 1,364.48

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Solution

The fourth proportional to 3,556.70, 5,331 and 1,364.48 is: 2,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.70 : 5,331 = 1,364.48 : x
  2. Step 2: Convert to fraction form
    3,556.70/5,331 = 1,364.48/x
  3. Step 3: Cross multiply
    3,556.70x = 5,331 × 1,364.48
  4. Step 4: Simplify right side
    3,556.70x = 7,274,042.88
  5. Step 5: Solve for x
    x = 7,274,042.88/3,556.70
  6. Step 6: Final answer
    x = 2,045.17

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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.