Home / 5,679.41-8,522.78-2,392.52

Finding the Fourth Proportional to 5,679.41, 8,522.78 and 2,392.52

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Solution

The fourth proportional to 5,679.41, 8,522.78 and 2,392.52 is: 3,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.41 : 8,522.78 = 2,392.52 : x
  2. Step 2: Convert to fraction form
    5,679.41/8,522.78 = 2,392.52/x
  3. Step 3: Cross multiply
    5,679.41x = 8,522.78 × 2,392.52
  4. Step 4: Simplify right side
    5,679.41x = 20,390,867.03
  5. Step 5: Solve for x
    x = 20,390,867.03/5,679.41
  6. Step 6: Final answer
    x = 3,590.32

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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.