Home / 3,401.46-5,103.75-1,553.14

Finding the Fourth Proportional to 3,401.46, 5,103.75 and 1,553.14

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Solution

The fourth proportional to 3,401.46, 5,103.75 and 1,553.14 is: 2,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.46 : 5,103.75 = 1,553.14 : x
  2. Step 2: Convert to fraction form
    3,401.46/5,103.75 = 1,553.14/x
  3. Step 3: Cross multiply
    3,401.46x = 5,103.75 × 1,553.14
  4. Step 4: Simplify right side
    3,401.46x = 7,926,812.76
  5. Step 5: Solve for x
    x = 7,926,812.76/3,401.46
  6. Step 6: Final answer
    x = 2,330.42

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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.