Home / 3,671.88-5,074.26-2,729.04

Finding the Fourth Proportional to 3,671.88, 5,074.26 and 2,729.04

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Solution

The fourth proportional to 3,671.88, 5,074.26 and 2,729.04 is: 3,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.88 : 5,074.26 = 2,729.04 : x
  2. Step 2: Convert to fraction form
    3,671.88/5,074.26 = 2,729.04/x
  3. Step 3: Cross multiply
    3,671.88x = 5,074.26 × 2,729.04
  4. Step 4: Simplify right side
    3,671.88x = 13,847,858.51
  5. Step 5: Solve for x
    x = 13,847,858.51/3,671.88
  6. Step 6: Final answer
    x = 3,771.33

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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.