Home / 3,973.44-5,483.39-2,205.21

Finding the Fourth Proportional to 3,973.44, 5,483.39 and 2,205.21

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Solution

The fourth proportional to 3,973.44, 5,483.39 and 2,205.21 is: 3,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.44 : 5,483.39 = 2,205.21 : x
  2. Step 2: Convert to fraction form
    3,973.44/5,483.39 = 2,205.21/x
  3. Step 3: Cross multiply
    3,973.44x = 5,483.39 × 2,205.21
  4. Step 4: Simplify right side
    3,973.44x = 12,092,015.44
  5. Step 5: Solve for x
    x = 12,092,015.44/3,973.44
  6. Step 6: Final answer
    x = 3,043.21

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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.