Home / 5,104.31-7,045.07-3,009.65

Finding the Fourth Proportional to 5,104.31, 7,045.07 and 3,009.65

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Solution

The fourth proportional to 5,104.31, 7,045.07 and 3,009.65 is: 4,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.31 : 7,045.07 = 3,009.65 : x
  2. Step 2: Convert to fraction form
    5,104.31/7,045.07 = 3,009.65/x
  3. Step 3: Cross multiply
    5,104.31x = 7,045.07 × 3,009.65
  4. Step 4: Simplify right side
    5,104.31x = 21,203,144.65
  5. Step 5: Solve for x
    x = 21,203,144.65/5,104.31
  6. Step 6: Final answer
    x = 4,153.97

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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.