Home / 5,221.35-7,208.24-3,551.67

Finding the Fourth Proportional to 5,221.35, 7,208.24 and 3,551.67

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Solution

The fourth proportional to 5,221.35, 7,208.24 and 3,551.67 is: 4,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.35 : 7,208.24 = 3,551.67 : x
  2. Step 2: Convert to fraction form
    5,221.35/7,208.24 = 3,551.67/x
  3. Step 3: Cross multiply
    5,221.35x = 7,208.24 × 3,551.67
  4. Step 4: Simplify right side
    5,221.35x = 25,601,272.00
  5. Step 5: Solve for x
    x = 25,601,272.00/5,221.35
  6. Step 6: Final answer
    x = 4,903.19

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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.