Home / 4,955.48-7,435.62-2,181.80

Finding the Fourth Proportional to 4,955.48, 7,435.62 and 2,181.80

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Solution

The fourth proportional to 4,955.48, 7,435.62 and 2,181.80 is: 3,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.48 : 7,435.62 = 2,181.80 : x
  2. Step 2: Convert to fraction form
    4,955.48/7,435.62 = 2,181.80/x
  3. Step 3: Cross multiply
    4,955.48x = 7,435.62 × 2,181.80
  4. Step 4: Simplify right side
    4,955.48x = 16,222,998.54
  5. Step 5: Solve for x
    x = 16,222,998.54/4,955.48
  6. Step 6: Final answer
    x = 3,273.75

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1.5x scale

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.