Home / 5,908.56-8,860.05-2,209.80

Finding the Fourth Proportional to 5,908.56, 8,860.05 and 2,209.80

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Solution

The fourth proportional to 5,908.56, 8,860.05 and 2,209.80 is: 3,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.56 : 8,860.05 = 2,209.80 : x
  2. Step 2: Convert to fraction form
    5,908.56/8,860.05 = 2,209.80/x
  3. Step 3: Cross multiply
    5,908.56x = 8,860.05 × 2,209.80
  4. Step 4: Simplify right side
    5,908.56x = 19,578,938.49
  5. Step 5: Solve for x
    x = 19,578,938.49/5,908.56
  6. Step 6: Final answer
    x = 3,313.66

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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.