Home / 3,192.16-4,786.69-1,112.11

Finding the Fourth Proportional to 3,192.16, 4,786.69 and 1,112.11

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Solution

The fourth proportional to 3,192.16, 4,786.69 and 1,112.11 is: 1,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.16 : 4,786.69 = 1,112.11 : x
  2. Step 2: Convert to fraction form
    3,192.16/4,786.69 = 1,112.11/x
  3. Step 3: Cross multiply
    3,192.16x = 4,786.69 × 1,112.11
  4. Step 4: Simplify right side
    3,192.16x = 5,323,325.82
  5. Step 5: Solve for x
    x = 5,323,325.82/3,192.16
  6. Step 6: Final answer
    x = 1,667.63

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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.