Home / 3,914.01-5,401.77-2,235.84

Finding the Fourth Proportional to 3,914.01, 5,401.77 and 2,235.84

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Solution

The fourth proportional to 3,914.01, 5,401.77 and 2,235.84 is: 3,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.01 : 5,401.77 = 2,235.84 : x
  2. Step 2: Convert to fraction form
    3,914.01/5,401.77 = 2,235.84/x
  3. Step 3: Cross multiply
    3,914.01x = 5,401.77 × 2,235.84
  4. Step 4: Simplify right side
    3,914.01x = 12,077,493.44
  5. Step 5: Solve for x
    x = 12,077,493.44/3,914.01
  6. Step 6: Final answer
    x = 3,085.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.