Home / 1,983.79-2,973.85-1,819.77

Finding the Fourth Proportional to 1,983.79, 2,973.85 and 1,819.77

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Solution

The fourth proportional to 1,983.79, 2,973.85 and 1,819.77 is: 2,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.79 : 2,973.85 = 1,819.77 : x
  2. Step 2: Convert to fraction form
    1,983.79/2,973.85 = 1,819.77/x
  3. Step 3: Cross multiply
    1,983.79x = 2,973.85 × 1,819.77
  4. Step 4: Simplify right side
    1,983.79x = 5,411,723.01
  5. Step 5: Solve for x
    x = 5,411,723.01/1,983.79
  6. Step 6: Final answer
    x = 2,727.97

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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.