Home / 5,236.19-7,226.35-2,998.77

Finding the Fourth Proportional to 5,236.19, 7,226.35 and 2,998.77

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Solution

The fourth proportional to 5,236.19, 7,226.35 and 2,998.77 is: 4,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.19 : 7,226.35 = 2,998.77 : x
  2. Step 2: Convert to fraction form
    5,236.19/7,226.35 = 2,998.77/x
  3. Step 3: Cross multiply
    5,236.19x = 7,226.35 × 2,998.77
  4. Step 4: Simplify right side
    5,236.19x = 21,670,161.59
  5. Step 5: Solve for x
    x = 21,670,161.59/5,236.19
  6. Step 6: Final answer
    x = 4,138.54

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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.