Home / 2,928.14-4,040.84-1,601.85

Finding the Fourth Proportional to 2,928.14, 4,040.84 and 1,601.85

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Solution

The fourth proportional to 2,928.14, 4,040.84 and 1,601.85 is: 2,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.14 : 4,040.84 = 1,601.85 : x
  2. Step 2: Convert to fraction form
    2,928.14/4,040.84 = 1,601.85/x
  3. Step 3: Cross multiply
    2,928.14x = 4,040.84 × 1,601.85
  4. Step 4: Simplify right side
    2,928.14x = 6,472,819.55
  5. Step 5: Solve for x
    x = 6,472,819.55/2,928.14
  6. Step 6: Final answer
    x = 2,210.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.