Home / 3,056.76-4,217.91-1,797.07

Finding the Fourth Proportional to 3,056.76, 4,217.91 and 1,797.07

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Solution

The fourth proportional to 3,056.76, 4,217.91 and 1,797.07 is: 2,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.76 : 4,217.91 = 1,797.07 : x
  2. Step 2: Convert to fraction form
    3,056.76/4,217.91 = 1,797.07/x
  3. Step 3: Cross multiply
    3,056.76x = 4,217.91 × 1,797.07
  4. Step 4: Simplify right side
    3,056.76x = 7,579,879.52
  5. Step 5: Solve for x
    x = 7,579,879.52/3,056.76
  6. Step 6: Final answer
    x = 2,479.71

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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.