Home / 5,679.90-8,520.86-2,348.14

Finding the Fourth Proportional to 5,679.90, 8,520.86 and 2,348.14

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Solution

The fourth proportional to 5,679.90, 8,520.86 and 2,348.14 is: 3,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.90 : 8,520.86 = 2,348.14 : x
  2. Step 2: Convert to fraction form
    5,679.90/8,520.86 = 2,348.14/x
  3. Step 3: Cross multiply
    5,679.90x = 8,520.86 × 2,348.14
  4. Step 4: Simplify right side
    5,679.90x = 20,008,172.20
  5. Step 5: Solve for x
    x = 20,008,172.20/5,679.90
  6. Step 6: Final answer
    x = 3,522.63

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1.5x scale

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.