Home / 3,455.03-4,768.38-2,110.34

Finding the Fourth Proportional to 3,455.03, 4,768.38 and 2,110.34

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Solution

The fourth proportional to 3,455.03, 4,768.38 and 2,110.34 is: 2,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.03 : 4,768.38 = 2,110.34 : x
  2. Step 2: Convert to fraction form
    3,455.03/4,768.38 = 2,110.34/x
  3. Step 3: Cross multiply
    3,455.03x = 4,768.38 × 2,110.34
  4. Step 4: Simplify right side
    3,455.03x = 10,062,879.21
  5. Step 5: Solve for x
    x = 10,062,879.21/3,455.03
  6. Step 6: Final answer
    x = 2,912.53

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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.