Home / 3,324.78-4,986.20-1,133

Finding the Fourth Proportional to 3,324.78, 4,986.20 and 1,133

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Solution

The fourth proportional to 3,324.78, 4,986.20 and 1,133 is: 1,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.78 : 4,986.20 = 1,133 : x
  2. Step 2: Convert to fraction form
    3,324.78/4,986.20 = 1,133/x
  3. Step 3: Cross multiply
    3,324.78x = 4,986.20 × 1,133
  4. Step 4: Simplify right side
    3,324.78x = 5,649,364.60
  5. Step 5: Solve for x
    x = 5,649,364.60/3,324.78
  6. Step 6: Final answer
    x = 1,699.17

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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.