Home / 3,219.36-4,443.30-1,893.14

Finding the Fourth Proportional to 3,219.36, 4,443.30 and 1,893.14

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Solution

The fourth proportional to 3,219.36, 4,443.30 and 1,893.14 is: 2,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.36 : 4,443.30 = 1,893.14 : x
  2. Step 2: Convert to fraction form
    3,219.36/4,443.30 = 1,893.14/x
  3. Step 3: Cross multiply
    3,219.36x = 4,443.30 × 1,893.14
  4. Step 4: Simplify right side
    3,219.36x = 8,411,788.96
  5. Step 5: Solve for x
    x = 8,411,788.96/3,219.36
  6. Step 6: Final answer
    x = 2,612.88

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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.