Home / 3,249.32-4,484.43-2,131.16

Finding the Fourth Proportional to 3,249.32, 4,484.43 and 2,131.16

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Solution

The fourth proportional to 3,249.32, 4,484.43 and 2,131.16 is: 2,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.32 : 4,484.43 = 2,131.16 : x
  2. Step 2: Convert to fraction form
    3,249.32/4,484.43 = 2,131.16/x
  3. Step 3: Cross multiply
    3,249.32x = 4,484.43 × 2,131.16
  4. Step 4: Simplify right side
    3,249.32x = 9,557,015.42
  5. Step 5: Solve for x
    x = 9,557,015.42/3,249.32
  6. Step 6: Final answer
    x = 2,941.24

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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.