Home / 4,042.32-5,578.38-2,273.89

Finding the Fourth Proportional to 4,042.32, 5,578.38 and 2,273.89

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Solution

The fourth proportional to 4,042.32, 5,578.38 and 2,273.89 is: 3,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.32 : 5,578.38 = 2,273.89 : x
  2. Step 2: Convert to fraction form
    4,042.32/5,578.38 = 2,273.89/x
  3. Step 3: Cross multiply
    4,042.32x = 5,578.38 × 2,273.89
  4. Step 4: Simplify right side
    4,042.32x = 12,684,622.50
  5. Step 5: Solve for x
    x = 12,684,622.50/4,042.32
  6. Step 6: Final answer
    x = 3,137.96

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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.