Home / 3,554.24-4,905.12-1,982.48

Finding the Fourth Proportional to 3,554.24, 4,905.12 and 1,982.48

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Solution

The fourth proportional to 3,554.24, 4,905.12 and 1,982.48 is: 2,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.24 : 4,905.12 = 1,982.48 : x
  2. Step 2: Convert to fraction form
    3,554.24/4,905.12 = 1,982.48/x
  3. Step 3: Cross multiply
    3,554.24x = 4,905.12 × 1,982.48
  4. Step 4: Simplify right side
    3,554.24x = 9,724,302.30
  5. Step 5: Solve for x
    x = 9,724,302.30/3,554.24
  6. Step 6: Final answer
    x = 2,735.97

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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.