Home / 5,906.21-8,859.56-2,208.06

Finding the Fourth Proportional to 5,906.21, 8,859.56 and 2,208.06

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Solution

The fourth proportional to 5,906.21, 8,859.56 and 2,208.06 is: 3,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.21 : 8,859.56 = 2,208.06 : x
  2. Step 2: Convert to fraction form
    5,906.21/8,859.56 = 2,208.06/x
  3. Step 3: Cross multiply
    5,906.21x = 8,859.56 × 2,208.06
  4. Step 4: Simplify right side
    5,906.21x = 19,562,429.01
  5. Step 5: Solve for x
    x = 19,562,429.01/5,906.21
  6. Step 6: Final answer
    x = 3,312.18

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1.5x scale

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.