Home / 3,216.15-4,438.24-1,799.81

Finding the Fourth Proportional to 3,216.15, 4,438.24 and 1,799.81

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Solution

The fourth proportional to 3,216.15, 4,438.24 and 1,799.81 is: 2,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.15 : 4,438.24 = 1,799.81 : x
  2. Step 2: Convert to fraction form
    3,216.15/4,438.24 = 1,799.81/x
  3. Step 3: Cross multiply
    3,216.15x = 4,438.24 × 1,799.81
  4. Step 4: Simplify right side
    3,216.15x = 7,987,995.33
  5. Step 5: Solve for x
    x = 7,987,995.33/3,216.15
  6. Step 6: Final answer
    x = 2,483.71

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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.