Home / 3,194.98-4,408.99-1,778.67

Finding the Fourth Proportional to 3,194.98, 4,408.99 and 1,778.67

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Solution

The fourth proportional to 3,194.98, 4,408.99 and 1,778.67 is: 2,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.98 : 4,408.99 = 1,778.67 : x
  2. Step 2: Convert to fraction form
    3,194.98/4,408.99 = 1,778.67/x
  3. Step 3: Cross multiply
    3,194.98x = 4,408.99 × 1,778.67
  4. Step 4: Simplify right side
    3,194.98x = 7,842,133.80
  5. Step 5: Solve for x
    x = 7,842,133.80/3,194.98
  6. Step 6: Final answer
    x = 2,454.52

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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.