Home / 4,118.97-6,178.67-1,197.51

Finding the Fourth Proportional to 4,118.97, 6,178.67 and 1,197.51

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Solution

The fourth proportional to 4,118.97, 6,178.67 and 1,197.51 is: 1,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.97 : 6,178.67 = 1,197.51 : x
  2. Step 2: Convert to fraction form
    4,118.97/6,178.67 = 1,197.51/x
  3. Step 3: Cross multiply
    4,118.97x = 6,178.67 × 1,197.51
  4. Step 4: Simplify right side
    4,118.97x = 7,399,013.12
  5. Step 5: Solve for x
    x = 7,399,013.12/4,118.97
  6. Step 6: Final answer
    x = 1,796.33

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Double scale
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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.