Home / 5,483.32-8,221.99-2,671.20

Finding the Fourth Proportional to 5,483.32, 8,221.99 and 2,671.20

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Solution

The fourth proportional to 5,483.32, 8,221.99 and 2,671.20 is: 4,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.32 : 8,221.99 = 2,671.20 : x
  2. Step 2: Convert to fraction form
    5,483.32/8,221.99 = 2,671.20/x
  3. Step 3: Cross multiply
    5,483.32x = 8,221.99 × 2,671.20
  4. Step 4: Simplify right side
    5,483.32x = 21,962,579.69
  5. Step 5: Solve for x
    x = 21,962,579.69/5,483.32
  6. Step 6: Final answer
    x = 4,005.34

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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.