Home / 4,738.79-6,532.61-3,318

Finding the Fourth Proportional to 4,738.79, 6,532.61 and 3,318

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Solution

The fourth proportional to 4,738.79, 6,532.61 and 3,318 is: 4,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.79 : 6,532.61 = 3,318 : x
  2. Step 2: Convert to fraction form
    4,738.79/6,532.61 = 3,318/x
  3. Step 3: Cross multiply
    4,738.79x = 6,532.61 × 3,318
  4. Step 4: Simplify right side
    4,738.79x = 21,675,191.69
  5. Step 5: Solve for x
    x = 21,675,191.69/4,738.79
  6. Step 6: Final answer
    x = 4,573.99

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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.