Home / 3,276.99-4,915.49-1,086.35

Finding the Fourth Proportional to 3,276.99, 4,915.49 and 1,086.35

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Solution

The fourth proportional to 3,276.99, 4,915.49 and 1,086.35 is: 1,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.99 : 4,915.49 = 1,086.35 : x
  2. Step 2: Convert to fraction form
    3,276.99/4,915.49 = 1,086.35/x
  3. Step 3: Cross multiply
    3,276.99x = 4,915.49 × 1,086.35
  4. Step 4: Simplify right side
    3,276.99x = 5,339,912.55
  5. Step 5: Solve for x
    x = 5,339,912.55/3,276.99
  6. Step 6: Final answer
    x = 1,629.52

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Half scale
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Double scale
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Similar ratio
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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.