Home / 4,623.94-6,939.56-2,157.50

Finding the Fourth Proportional to 4,623.94, 6,939.56 and 2,157.50

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Solution

The fourth proportional to 4,623.94, 6,939.56 and 2,157.50 is: 3,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.94 : 6,939.56 = 2,157.50 : x
  2. Step 2: Convert to fraction form
    4,623.94/6,939.56 = 2,157.50/x
  3. Step 3: Cross multiply
    4,623.94x = 6,939.56 × 2,157.50
  4. Step 4: Simplify right side
    4,623.94x = 14,972,100.70
  5. Step 5: Solve for x
    x = 14,972,100.70/4,623.94
  6. Step 6: Final answer
    x = 3,237.95

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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.