Home / 6,071.31-9,109.14-2,123.14

Finding the Fourth Proportional to 6,071.31, 9,109.14 and 2,123.14

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Solution

The fourth proportional to 6,071.31, 9,109.14 and 2,123.14 is: 3,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.31 : 9,109.14 = 2,123.14 : x
  2. Step 2: Convert to fraction form
    6,071.31/9,109.14 = 2,123.14/x
  3. Step 3: Cross multiply
    6,071.31x = 9,109.14 × 2,123.14
  4. Step 4: Simplify right side
    6,071.31x = 19,339,979.50
  5. Step 5: Solve for x
    x = 19,339,979.50/6,071.31
  6. Step 6: Final answer
    x = 3,185.47

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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.