Home / 5,152.92-7,110.90-3,057

Finding the Fourth Proportional to 5,152.92, 7,110.90 and 3,057

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Solution

The fourth proportional to 5,152.92, 7,110.90 and 3,057 is: 4,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.92 : 7,110.90 = 3,057 : x
  2. Step 2: Convert to fraction form
    5,152.92/7,110.90 = 3,057/x
  3. Step 3: Cross multiply
    5,152.92x = 7,110.90 × 3,057
  4. Step 4: Simplify right side
    5,152.92x = 21,738,021.30
  5. Step 5: Solve for x
    x = 21,738,021.30/5,152.92
  6. Step 6: Final answer
    x = 4,218.58

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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.