Home / 5,720.94-8,577.36-2,208.02

Finding the Fourth Proportional to 5,720.94, 8,577.36 and 2,208.02

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Solution

The fourth proportional to 5,720.94, 8,577.36 and 2,208.02 is: 3,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.94 : 8,577.36 = 2,208.02 : x
  2. Step 2: Convert to fraction form
    5,720.94/8,577.36 = 2,208.02/x
  3. Step 3: Cross multiply
    5,720.94x = 8,577.36 × 2,208.02
  4. Step 4: Simplify right side
    5,720.94x = 18,938,939.54
  5. Step 5: Solve for x
    x = 18,938,939.54/5,720.94
  6. Step 6: Final answer
    x = 3,310.46

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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.