Home / 5,094.36-7,031.34-3,105

Finding the Fourth Proportional to 5,094.36, 7,031.34 and 3,105

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Solution

The fourth proportional to 5,094.36, 7,031.34 and 3,105 is: 4,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,094.36 : 7,031.34 = 3,105 : x
  2. Step 2: Convert to fraction form
    5,094.36/7,031.34 = 3,105/x
  3. Step 3: Cross multiply
    5,094.36x = 7,031.34 × 3,105
  4. Step 4: Simplify right side
    5,094.36x = 21,832,310.70
  5. Step 5: Solve for x
    x = 21,832,310.70/5,094.36
  6. Step 6: Final answer
    x = 4,285.58

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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.