Home / 3,813.24-5,259.55-2,321.25

Finding the Fourth Proportional to 3,813.24, 5,259.55 and 2,321.25

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Solution

The fourth proportional to 3,813.24, 5,259.55 and 2,321.25 is: 3,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.24 : 5,259.55 = 2,321.25 : x
  2. Step 2: Convert to fraction form
    3,813.24/5,259.55 = 2,321.25/x
  3. Step 3: Cross multiply
    3,813.24x = 5,259.55 × 2,321.25
  4. Step 4: Simplify right side
    3,813.24x = 12,208,751.14
  5. Step 5: Solve for x
    x = 12,208,751.14/3,813.24
  6. Step 6: Final answer
    x = 3,201.67

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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.