Home / 4,191-5,788.44-2,791.32

Finding the Fourth Proportional to 4,191, 5,788.44 and 2,791.32

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Solution

The fourth proportional to 4,191, 5,788.44 and 2,791.32 is: 3,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191 : 5,788.44 = 2,791.32 : x
  2. Step 2: Convert to fraction form
    4,191/5,788.44 = 2,791.32/x
  3. Step 3: Cross multiply
    4,191x = 5,788.44 × 2,791.32
  4. Step 4: Simplify right side
    4,191x = 16,157,388.34
  5. Step 5: Solve for x
    x = 16,157,388.34/4,191
  6. Step 6: Final answer
    x = 3,855.26

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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.