Home / 3,216.64-4,438.42-1,800.04

Finding the Fourth Proportional to 3,216.64, 4,438.42 and 1,800.04

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Solution

The fourth proportional to 3,216.64, 4,438.42 and 1,800.04 is: 2,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.64 : 4,438.42 = 1,800.04 : x
  2. Step 2: Convert to fraction form
    3,216.64/4,438.42 = 1,800.04/x
  3. Step 3: Cross multiply
    3,216.64x = 4,438.42 × 1,800.04
  4. Step 4: Simplify right side
    3,216.64x = 7,989,333.54
  5. Step 5: Solve for x
    x = 7,989,333.54/3,216.64
  6. Step 6: Final answer
    x = 2,483.75

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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.