Home / 3,401.36-5,103.14-1,668.77

Finding the Fourth Proportional to 3,401.36, 5,103.14 and 1,668.77

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Solution

The fourth proportional to 3,401.36, 5,103.14 and 1,668.77 is: 2,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.36 : 5,103.14 = 1,668.77 : x
  2. Step 2: Convert to fraction form
    3,401.36/5,103.14 = 1,668.77/x
  3. Step 3: Cross multiply
    3,401.36x = 5,103.14 × 1,668.77
  4. Step 4: Simplify right side
    3,401.36x = 8,515,933.08
  5. Step 5: Solve for x
    x = 8,515,933.08/3,401.36
  6. Step 6: Final answer
    x = 2,503.69

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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.