Home / 5,049.60-7,567.20-1,968

Finding the Fourth Proportional to 5,049.60, 7,567.20 and 1,968

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Solution

The fourth proportional to 5,049.60, 7,567.20 and 1,968 is: 2,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.60 : 7,567.20 = 1,968 : x
  2. Step 2: Convert to fraction form
    5,049.60/7,567.20 = 1,968/x
  3. Step 3: Cross multiply
    5,049.60x = 7,567.20 × 1,968
  4. Step 4: Simplify right side
    5,049.60x = 14,892,249.60
  5. Step 5: Solve for x
    x = 14,892,249.60/5,049.60
  6. Step 6: Final answer
    x = 2,949.19

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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.