Home / 2,481.25-3,424.18-1,362.18

Finding the Fourth Proportional to 2,481.25, 3,424.18 and 1,362.18

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Solution

The fourth proportional to 2,481.25, 3,424.18 and 1,362.18 is: 1,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.25 : 3,424.18 = 1,362.18 : x
  2. Step 2: Convert to fraction form
    2,481.25/3,424.18 = 1,362.18/x
  3. Step 3: Cross multiply
    2,481.25x = 3,424.18 × 1,362.18
  4. Step 4: Simplify right side
    2,481.25x = 4,664,349.51
  5. Step 5: Solve for x
    x = 4,664,349.51/2,481.25
  6. Step 6: Final answer
    x = 1,879.84

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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.