Home / 4,042.11-5,578.80-2,340.37

Finding the Fourth Proportional to 4,042.11, 5,578.80 and 2,340.37

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Solution

The fourth proportional to 4,042.11, 5,578.80 and 2,340.37 is: 3,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.11 : 5,578.80 = 2,340.37 : x
  2. Step 2: Convert to fraction form
    4,042.11/5,578.80 = 2,340.37/x
  3. Step 3: Cross multiply
    4,042.11x = 5,578.80 × 2,340.37
  4. Step 4: Simplify right side
    4,042.11x = 13,056,416.56
  5. Step 5: Solve for x
    x = 13,056,416.56/4,042.11
  6. Step 6: Final answer
    x = 3,230.10

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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.