Home / 3,383.62-5,075.66-1,191.61

Finding the Fourth Proportional to 3,383.62, 5,075.66 and 1,191.61

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Solution

The fourth proportional to 3,383.62, 5,075.66 and 1,191.61 is: 1,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.62 : 5,075.66 = 1,191.61 : x
  2. Step 2: Convert to fraction form
    3,383.62/5,075.66 = 1,191.61/x
  3. Step 3: Cross multiply
    3,383.62x = 5,075.66 × 1,191.61
  4. Step 4: Simplify right side
    3,383.62x = 6,048,216.54
  5. Step 5: Solve for x
    x = 6,048,216.54/3,383.62
  6. Step 6: Final answer
    x = 1,787.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.