Home / 5,492.50-7,579.61-2,974.55

Finding the Fourth Proportional to 5,492.50, 7,579.61 and 2,974.55

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Solution

The fourth proportional to 5,492.50, 7,579.61 and 2,974.55 is: 4,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.50 : 7,579.61 = 2,974.55 : x
  2. Step 2: Convert to fraction form
    5,492.50/7,579.61 = 2,974.55/x
  3. Step 3: Cross multiply
    5,492.50x = 7,579.61 × 2,974.55
  4. Step 4: Simplify right side
    5,492.50x = 22,545,928.93
  5. Step 5: Solve for x
    x = 22,545,928.93/5,492.50
  6. Step 6: Final answer
    x = 4,104.86

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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.