Home / 4,115.87-5,678.37-2,623.44

Finding the Fourth Proportional to 4,115.87, 5,678.37 and 2,623.44

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Solution

The fourth proportional to 4,115.87, 5,678.37 and 2,623.44 is: 3,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.87 : 5,678.37 = 2,623.44 : x
  2. Step 2: Convert to fraction form
    4,115.87/5,678.37 = 2,623.44/x
  3. Step 3: Cross multiply
    4,115.87x = 5,678.37 × 2,623.44
  4. Step 4: Simplify right side
    4,115.87x = 14,896,884.29
  5. Step 5: Solve for x
    x = 14,896,884.29/4,115.87
  6. Step 6: Final answer
    x = 3,619.38

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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.