Home / 5,718.28-8,575.67-2,208.01

Finding the Fourth Proportional to 5,718.28, 8,575.67 and 2,208.01

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Solution

The fourth proportional to 5,718.28, 8,575.67 and 2,208.01 is: 3,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.28 : 8,575.67 = 2,208.01 : x
  2. Step 2: Convert to fraction form
    5,718.28/8,575.67 = 2,208.01/x
  3. Step 3: Cross multiply
    5,718.28x = 8,575.67 × 2,208.01
  4. Step 4: Simplify right side
    5,718.28x = 18,935,165.12
  5. Step 5: Solve for x
    x = 18,935,165.12/5,718.28
  6. Step 6: Final answer
    x = 3,311.34

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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.