Home / 4,911.20-7,369.26-2,445.92

Finding the Fourth Proportional to 4,911.20, 7,369.26 and 2,445.92

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Solution

The fourth proportional to 4,911.20, 7,369.26 and 2,445.92 is: 3,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.20 : 7,369.26 = 2,445.92 : x
  2. Step 2: Convert to fraction form
    4,911.20/7,369.26 = 2,445.92/x
  3. Step 3: Cross multiply
    4,911.20x = 7,369.26 × 2,445.92
  4. Step 4: Simplify right side
    4,911.20x = 18,024,620.42
  5. Step 5: Solve for x
    x = 18,024,620.42/4,911.20
  6. Step 6: Final answer
    x = 3,670.11

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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.