Home / 3,181.29-4,389.17-1,783.77

Finding the Fourth Proportional to 3,181.29, 4,389.17 and 1,783.77

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Solution

The fourth proportional to 3,181.29, 4,389.17 and 1,783.77 is: 2,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.29 : 4,389.17 = 1,783.77 : x
  2. Step 2: Convert to fraction form
    3,181.29/4,389.17 = 1,783.77/x
  3. Step 3: Cross multiply
    3,181.29x = 4,389.17 × 1,783.77
  4. Step 4: Simplify right side
    3,181.29x = 7,829,260.85
  5. Step 5: Solve for x
    x = 7,829,260.85/3,181.29
  6. Step 6: Final answer
    x = 2,461.03

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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.