Home / 3,366.20-4,645.19-1,874.25

Finding the Fourth Proportional to 3,366.20, 4,645.19 and 1,874.25

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Solution

The fourth proportional to 3,366.20, 4,645.19 and 1,874.25 is: 2,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.20 : 4,645.19 = 1,874.25 : x
  2. Step 2: Convert to fraction form
    3,366.20/4,645.19 = 1,874.25/x
  3. Step 3: Cross multiply
    3,366.20x = 4,645.19 × 1,874.25
  4. Step 4: Simplify right side
    3,366.20x = 8,706,237.99
  5. Step 5: Solve for x
    x = 8,706,237.99/3,366.20
  6. Step 6: Final answer
    x = 2,586.37

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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.