Home / 2,668.18-4,002.60-1,369.96

Finding the Fourth Proportional to 2,668.18, 4,002.60 and 1,369.96

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Solution

The fourth proportional to 2,668.18, 4,002.60 and 1,369.96 is: 2,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.18 : 4,002.60 = 1,369.96 : x
  2. Step 2: Convert to fraction form
    2,668.18/4,002.60 = 1,369.96/x
  3. Step 3: Cross multiply
    2,668.18x = 4,002.60 × 1,369.96
  4. Step 4: Simplify right side
    2,668.18x = 5,483,401.90
  5. Step 5: Solve for x
    x = 5,483,401.90/2,668.18
  6. Step 6: Final answer
    x = 2,055.11

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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.