Home / 3,504.21-5,258.49-1,314.47

Finding the Fourth Proportional to 3,504.21, 5,258.49 and 1,314.47

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Solution

The fourth proportional to 3,504.21, 5,258.49 and 1,314.47 is: 1,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.21 : 5,258.49 = 1,314.47 : x
  2. Step 2: Convert to fraction form
    3,504.21/5,258.49 = 1,314.47/x
  3. Step 3: Cross multiply
    3,504.21x = 5,258.49 × 1,314.47
  4. Step 4: Simplify right side
    3,504.21x = 6,912,135.57
  5. Step 5: Solve for x
    x = 6,912,135.57/3,504.21
  6. Step 6: Final answer
    x = 1,972.53

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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.