Home / 4,068.75-5,614.88-2,205.75

Finding the Fourth Proportional to 4,068.75, 5,614.88 and 2,205.75

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Solution

The fourth proportional to 4,068.75, 5,614.88 and 2,205.75 is: 3,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.75 : 5,614.88 = 2,205.75 : x
  2. Step 2: Convert to fraction form
    4,068.75/5,614.88 = 2,205.75/x
  3. Step 3: Cross multiply
    4,068.75x = 5,614.88 × 2,205.75
  4. Step 4: Simplify right side
    4,068.75x = 12,385,010.53
  5. Step 5: Solve for x
    x = 12,385,010.53/4,068.75
  6. Step 6: Final answer
    x = 3,043.94

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Half 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.