Home / 4,601.29-6,901.80-1,138.54

Finding the Fourth Proportional to 4,601.29, 6,901.80 and 1,138.54

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Solution

The fourth proportional to 4,601.29, 6,901.80 and 1,138.54 is: 1,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,601.29 : 6,901.80 = 1,138.54 : x
  2. Step 2: Convert to fraction form
    4,601.29/6,901.80 = 1,138.54/x
  3. Step 3: Cross multiply
    4,601.29x = 6,901.80 × 1,138.54
  4. Step 4: Simplify right side
    4,601.29x = 7,857,975.37
  5. Step 5: Solve for x
    x = 7,857,975.37/4,601.29
  6. Step 6: Final answer
    x = 1,707.78

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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.