Home / 5,492.36-7,579.45-2,974.49

Finding the Fourth Proportional to 5,492.36, 7,579.45 and 2,974.49

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Solution

The fourth proportional to 5,492.36, 7,579.45 and 2,974.49 is: 4,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.36 : 7,579.45 = 2,974.49 : x
  2. Step 2: Convert to fraction form
    5,492.36/7,579.45 = 2,974.49/x
  3. Step 3: Cross multiply
    5,492.36x = 7,579.45 × 2,974.49
  4. Step 4: Simplify right side
    5,492.36x = 22,544,998.23
  5. Step 5: Solve for x
    x = 22,544,998.23/5,492.36
  6. Step 6: Final answer
    x = 4,104.79

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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.