Home / 2,905.14-4,353.48-2,174.34

Finding the Fourth Proportional to 2,905.14, 4,353.48 and 2,174.34

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Solution

The fourth proportional to 2,905.14, 4,353.48 and 2,174.34 is: 3,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.14 : 4,353.48 = 2,174.34 : x
  2. Step 2: Convert to fraction form
    2,905.14/4,353.48 = 2,174.34/x
  3. Step 3: Cross multiply
    2,905.14x = 4,353.48 × 2,174.34
  4. Step 4: Simplify right side
    2,905.14x = 9,465,945.70
  5. Step 5: Solve for x
    x = 9,465,945.70/2,905.14
  6. Step 6: Final answer
    x = 3,258.34

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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.