Home / 3,094.91-4,273.44-2,858.78

Finding the Fourth Proportional to 3,094.91, 4,273.44 and 2,858.78

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Solution

The fourth proportional to 3,094.91, 4,273.44 and 2,858.78 is: 3,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.91 : 4,273.44 = 2,858.78 : x
  2. Step 2: Convert to fraction form
    3,094.91/4,273.44 = 2,858.78/x
  3. Step 3: Cross multiply
    3,094.91x = 4,273.44 × 2,858.78
  4. Step 4: Simplify right side
    3,094.91x = 12,216,816.81
  5. Step 5: Solve for x
    x = 12,216,816.81/3,094.91
  6. Step 6: Final answer
    x = 3,947.39

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Half scale
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Double scale
Find fourth proportional to 3,095.91, 4,274.82 and 2,859.78
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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.