Home / 3,610.99-4,982.33-2,118.83

Finding the Fourth Proportional to 3,610.99, 4,982.33 and 2,118.83

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Solution

The fourth proportional to 3,610.99, 4,982.33 and 2,118.83 is: 2,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.99 : 4,982.33 = 2,118.83 : x
  2. Step 2: Convert to fraction form
    3,610.99/4,982.33 = 2,118.83/x
  3. Step 3: Cross multiply
    3,610.99x = 4,982.33 × 2,118.83
  4. Step 4: Simplify right side
    3,610.99x = 10,556,699.68
  5. Step 5: Solve for x
    x = 10,556,699.68/3,610.99
  6. Step 6: Final answer
    x = 2,923.50

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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.