Home / 3,450.14-4,761.05-1,878.24

Finding the Fourth Proportional to 3,450.14, 4,761.05 and 1,878.24

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Solution

The fourth proportional to 3,450.14, 4,761.05 and 1,878.24 is: 2,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.14 : 4,761.05 = 1,878.24 : x
  2. Step 2: Convert to fraction form
    3,450.14/4,761.05 = 1,878.24/x
  3. Step 3: Cross multiply
    3,450.14x = 4,761.05 × 1,878.24
  4. Step 4: Simplify right side
    3,450.14x = 8,942,394.55
  5. Step 5: Solve for x
    x = 8,942,394.55/3,450.14
  6. Step 6: Final answer
    x = 2,591.89

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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.