Home / 3,149.36-4,742.48-2,333.42

Finding the Fourth Proportional to 3,149.36, 4,742.48 and 2,333.42

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Solution

The fourth proportional to 3,149.36, 4,742.48 and 2,333.42 is: 3,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.36 : 4,742.48 = 2,333.42 : x
  2. Step 2: Convert to fraction form
    3,149.36/4,742.48 = 2,333.42/x
  3. Step 3: Cross multiply
    3,149.36x = 4,742.48 × 2,333.42
  4. Step 4: Simplify right side
    3,149.36x = 11,066,197.68
  5. Step 5: Solve for x
    x = 11,066,197.68/3,149.36
  6. Step 6: Final answer
    x = 3,513.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.