Home / 3,481.24-4,804.37-2,155.71

Finding the Fourth Proportional to 3,481.24, 4,804.37 and 2,155.71

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Solution

The fourth proportional to 3,481.24, 4,804.37 and 2,155.71 is: 2,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.24 : 4,804.37 = 2,155.71 : x
  2. Step 2: Convert to fraction form
    3,481.24/4,804.37 = 2,155.71/x
  3. Step 3: Cross multiply
    3,481.24x = 4,804.37 × 2,155.71
  4. Step 4: Simplify right side
    3,481.24x = 10,356,828.45
  5. Step 5: Solve for x
    x = 10,356,828.45/3,481.24
  6. Step 6: Final answer
    x = 2,975.04

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1.5x scale

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.