Home / 4,107.89-6,161.15-1,146.53

Finding the Fourth Proportional to 4,107.89, 6,161.15 and 1,146.53

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Solution

The fourth proportional to 4,107.89, 6,161.15 and 1,146.53 is: 1,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.89 : 6,161.15 = 1,146.53 : x
  2. Step 2: Convert to fraction form
    4,107.89/6,161.15 = 1,146.53/x
  3. Step 3: Cross multiply
    4,107.89x = 6,161.15 × 1,146.53
  4. Step 4: Simplify right side
    4,107.89x = 7,063,906.77
  5. Step 5: Solve for x
    x = 7,063,906.77/4,107.89
  6. Step 6: Final answer
    x = 1,719.60

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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.