Home / 3,474.30-5,211.72-1,009.16

Finding the Fourth Proportional to 3,474.30, 5,211.72 and 1,009.16

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Solution

The fourth proportional to 3,474.30, 5,211.72 and 1,009.16 is: 1,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.30 : 5,211.72 = 1,009.16 : x
  2. Step 2: Convert to fraction form
    3,474.30/5,211.72 = 1,009.16/x
  3. Step 3: Cross multiply
    3,474.30x = 5,211.72 × 1,009.16
  4. Step 4: Simplify right side
    3,474.30x = 5,259,433.30
  5. Step 5: Solve for x
    x = 5,259,433.30/3,474.30
  6. Step 6: Final answer
    x = 1,513.81

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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.