Home / 3,922.09-5,408.26-2,967.16

Finding the Fourth Proportional to 3,922.09, 5,408.26 and 2,967.16

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Solution

The fourth proportional to 3,922.09, 5,408.26 and 2,967.16 is: 4,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.09 : 5,408.26 = 2,967.16 : x
  2. Step 2: Convert to fraction form
    3,922.09/5,408.26 = 2,967.16/x
  3. Step 3: Cross multiply
    3,922.09x = 5,408.26 × 2,967.16
  4. Step 4: Simplify right side
    3,922.09x = 16,047,172.74
  5. Step 5: Solve for x
    x = 16,047,172.74/3,922.09
  6. Step 6: Final answer
    x = 4,091.49

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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.