Home / 5,134.07-7,085.21-2,896.00

Finding the Fourth Proportional to 5,134.07, 7,085.21 and 2,896.00

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Solution

The fourth proportional to 5,134.07, 7,085.21 and 2,896.00 is: 3,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.07 : 7,085.21 = 2,896.00 : x
  2. Step 2: Convert to fraction form
    5,134.07/7,085.21 = 2,896.00/x
  3. Step 3: Cross multiply
    5,134.07x = 7,085.21 × 2,896.00
  4. Step 4: Simplify right side
    5,134.07x = 20,518,735.97
  5. Step 5: Solve for x
    x = 20,518,735.97/5,134.07
  6. Step 6: Final answer
    x = 3,996.58

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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.