Home / 4,131.12-5,699.33-2,361.78

Finding the Fourth Proportional to 4,131.12, 5,699.33 and 2,361.78

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Solution

The fourth proportional to 4,131.12, 5,699.33 and 2,361.78 is: 3,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.12 : 5,699.33 = 2,361.78 : x
  2. Step 2: Convert to fraction form
    4,131.12/5,699.33 = 2,361.78/x
  3. Step 3: Cross multiply
    4,131.12x = 5,699.33 × 2,361.78
  4. Step 4: Simplify right side
    4,131.12x = 13,460,560.66
  5. Step 5: Solve for x
    x = 13,460,560.66/4,131.12
  6. Step 6: Final answer
    x = 3,258.33

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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.