Home / 3,455.27-4,763.25-2,391.41

Finding the Fourth Proportional to 3,455.27, 4,763.25 and 2,391.41

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Solution

The fourth proportional to 3,455.27, 4,763.25 and 2,391.41 is: 3,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.27 : 4,763.25 = 2,391.41 : x
  2. Step 2: Convert to fraction form
    3,455.27/4,763.25 = 2,391.41/x
  3. Step 3: Cross multiply
    3,455.27x = 4,763.25 × 2,391.41
  4. Step 4: Simplify right side
    3,455.27x = 11,390,859.87
  5. Step 5: Solve for x
    x = 11,390,859.87/3,455.27
  6. Step 6: Final answer
    x = 3,296.67

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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.