Home / 2,791.32-4,186.97-941.93

Finding the Fourth Proportional to 2,791.32, 4,186.97 and 941.93

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Solution

The fourth proportional to 2,791.32, 4,186.97 and 941.93 is: 1,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.32 : 4,186.97 = 941.93 : x
  2. Step 2: Convert to fraction form
    2,791.32/4,186.97 = 941.93/x
  3. Step 3: Cross multiply
    2,791.32x = 4,186.97 × 941.93
  4. Step 4: Simplify right side
    2,791.32x = 3,943,832.65
  5. Step 5: Solve for x
    x = 3,943,832.65/2,791.32
  6. Step 6: Final answer
    x = 1,412.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.