Home / 5,211.84-7,192.26-2,974.08

Finding the Fourth Proportional to 5,211.84, 7,192.26 and 2,974.08

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Solution

The fourth proportional to 5,211.84, 7,192.26 and 2,974.08 is: 4,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.84 : 7,192.26 = 2,974.08 : x
  2. Step 2: Convert to fraction form
    5,211.84/7,192.26 = 2,974.08/x
  3. Step 3: Cross multiply
    5,211.84x = 7,192.26 × 2,974.08
  4. Step 4: Simplify right side
    5,211.84x = 21,390,356.62
  5. Step 5: Solve for x
    x = 21,390,356.62/5,211.84
  6. Step 6: Final answer
    x = 4,104.19

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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.