Home / 3,770.88-5,203.81-2,198.67

Finding the Fourth Proportional to 3,770.88, 5,203.81 and 2,198.67

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Solution

The fourth proportional to 3,770.88, 5,203.81 and 2,198.67 is: 3,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.88 : 5,203.81 = 2,198.67 : x
  2. Step 2: Convert to fraction form
    3,770.88/5,203.81 = 2,198.67/x
  3. Step 3: Cross multiply
    3,770.88x = 5,203.81 × 2,198.67
  4. Step 4: Simplify right side
    3,770.88x = 11,441,460.93
  5. Step 5: Solve for x
    x = 11,441,460.93/3,770.88
  6. Step 6: Final answer
    x = 3,034.16

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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.