Home / 3,550.80-4,900.84-2,058.78

Finding the Fourth Proportional to 3,550.80, 4,900.84 and 2,058.78

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Solution

The fourth proportional to 3,550.80, 4,900.84 and 2,058.78 is: 2,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.80 : 4,900.84 = 2,058.78 : x
  2. Step 2: Convert to fraction form
    3,550.80/4,900.84 = 2,058.78/x
  3. Step 3: Cross multiply
    3,550.80x = 4,900.84 × 2,058.78
  4. Step 4: Simplify right side
    3,550.80x = 10,089,751.38
  5. Step 5: Solve for x
    x = 10,089,751.38/3,550.80
  6. Step 6: Final answer
    x = 2,841.54

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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.