Home / 6,112.44-8,435.29-3,722.51

Finding the Fourth Proportional to 6,112.44, 8,435.29 and 3,722.51

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Solution

The fourth proportional to 6,112.44, 8,435.29 and 3,722.51 is: 5,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.44 : 8,435.29 = 3,722.51 : x
  2. Step 2: Convert to fraction form
    6,112.44/8,435.29 = 3,722.51/x
  3. Step 3: Cross multiply
    6,112.44x = 8,435.29 × 3,722.51
  4. Step 4: Simplify right side
    6,112.44x = 31,400,451.38
  5. Step 5: Solve for x
    x = 31,400,451.38/6,112.44
  6. Step 6: Final answer
    x = 5,137.14

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Half scale
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Double scale
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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.