Home / 3,185.58-4,396.10-1,788.33

Finding the Fourth Proportional to 3,185.58, 4,396.10 and 1,788.33

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Solution

The fourth proportional to 3,185.58, 4,396.10 and 1,788.33 is: 2,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.58 : 4,396.10 = 1,788.33 : x
  2. Step 2: Convert to fraction form
    3,185.58/4,396.10 = 1,788.33/x
  3. Step 3: Cross multiply
    3,185.58x = 4,396.10 × 1,788.33
  4. Step 4: Simplify right side
    3,185.58x = 7,861,665.36
  5. Step 5: Solve for x
    x = 7,861,665.36/3,185.58
  6. Step 6: Final answer
    x = 2,467.89

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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.