Home / 2,795.66-3,856.56-1,676.06

Finding the Fourth Proportional to 2,795.66, 3,856.56 and 1,676.06

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Solution

The fourth proportional to 2,795.66, 3,856.56 and 1,676.06 is: 2,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.66 : 3,856.56 = 1,676.06 : x
  2. Step 2: Convert to fraction form
    2,795.66/3,856.56 = 1,676.06/x
  3. Step 3: Cross multiply
    2,795.66x = 3,856.56 × 1,676.06
  4. Step 4: Simplify right side
    2,795.66x = 6,463,825.95
  5. Step 5: Solve for x
    x = 6,463,825.95/2,795.66
  6. Step 6: Final answer
    x = 2,312.09

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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.