Home / 3,450.42-4,761.33-1,958.36

Finding the Fourth Proportional to 3,450.42, 4,761.33 and 1,958.36

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Solution

The fourth proportional to 3,450.42, 4,761.33 and 1,958.36 is: 2,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.42 : 4,761.33 = 1,958.36 : x
  2. Step 2: Convert to fraction form
    3,450.42/4,761.33 = 1,958.36/x
  3. Step 3: Cross multiply
    3,450.42x = 4,761.33 × 1,958.36
  4. Step 4: Simplify right side
    3,450.42x = 9,324,415.02
  5. Step 5: Solve for x
    x = 9,324,415.02/3,450.42
  6. Step 6: Final answer
    x = 2,702.40

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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.