Home / 5,719.48-8,577.84-2,208.32

Finding the Fourth Proportional to 5,719.48, 8,577.84 and 2,208.32

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Solution

The fourth proportional to 5,719.48, 8,577.84 and 2,208.32 is: 3,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.48 : 8,577.84 = 2,208.32 : x
  2. Step 2: Convert to fraction form
    5,719.48/8,577.84 = 2,208.32/x
  3. Step 3: Cross multiply
    5,719.48x = 8,577.84 × 2,208.32
  4. Step 4: Simplify right side
    5,719.48x = 18,942,615.63
  5. Step 5: Solve for x
    x = 18,942,615.63/5,719.48
  6. Step 6: Final answer
    x = 3,311.95

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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.