Home / 3,144.47-4,329.77-2,481.08

Finding the Fourth Proportional to 3,144.47, 4,329.77 and 2,481.08

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Solution

The fourth proportional to 3,144.47, 4,329.77 and 2,481.08 is: 3,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.47 : 4,329.77 = 2,481.08 : x
  2. Step 2: Convert to fraction form
    3,144.47/4,329.77 = 2,481.08/x
  3. Step 3: Cross multiply
    3,144.47x = 4,329.77 × 2,481.08
  4. Step 4: Simplify right side
    3,144.47x = 10,742,471.70
  5. Step 5: Solve for x
    x = 10,742,471.70/3,144.47
  6. Step 6: Final answer
    x = 3,416.31

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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.