Home / 3,401.48-5,102.28-936.29

Finding the Fourth Proportional to 3,401.48, 5,102.28 and 936.29

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Solution

The fourth proportional to 3,401.48, 5,102.28 and 936.29 is: 1,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.48 : 5,102.28 = 936.29 : x
  2. Step 2: Convert to fraction form
    3,401.48/5,102.28 = 936.29/x
  3. Step 3: Cross multiply
    3,401.48x = 5,102.28 × 936.29
  4. Step 4: Simplify right side
    3,401.48x = 4,777,188.23
  5. Step 5: Solve for x
    x = 4,777,188.23/3,401.48
  6. Step 6: Final answer
    x = 1,404.45

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1.5x scale

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.