Home / 4,087.01-5,640.45-2,408.94

Finding the Fourth Proportional to 4,087.01, 5,640.45 and 2,408.94

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Solution

The fourth proportional to 4,087.01, 5,640.45 and 2,408.94 is: 3,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.01 : 5,640.45 = 2,408.94 : x
  2. Step 2: Convert to fraction form
    4,087.01/5,640.45 = 2,408.94/x
  3. Step 3: Cross multiply
    4,087.01x = 5,640.45 × 2,408.94
  4. Step 4: Simplify right side
    4,087.01x = 13,587,477.42
  5. Step 5: Solve for x
    x = 13,587,477.42/4,087.01
  6. Step 6: Final answer
    x = 3,324.56

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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.