Home / 3,450.16-5,174.52-984.32

Finding the Fourth Proportional to 3,450.16, 5,174.52 and 984.32

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Solution

The fourth proportional to 3,450.16, 5,174.52 and 984.32 is: 1,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.16 : 5,174.52 = 984.32 : x
  2. Step 2: Convert to fraction form
    3,450.16/5,174.52 = 984.32/x
  3. Step 3: Cross multiply
    3,450.16x = 5,174.52 × 984.32
  4. Step 4: Simplify right side
    3,450.16x = 5,093,383.53
  5. Step 5: Solve for x
    x = 5,093,383.53/3,450.16
  6. Step 6: Final answer
    x = 1,476.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.