Home / 4,915.09-7,369.23-1,627.70

Finding the Fourth Proportional to 4,915.09, 7,369.23 and 1,627.70

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Solution

The fourth proportional to 4,915.09, 7,369.23 and 1,627.70 is: 2,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.09 : 7,369.23 = 1,627.70 : x
  2. Step 2: Convert to fraction form
    4,915.09/7,369.23 = 1,627.70/x
  3. Step 3: Cross multiply
    4,915.09x = 7,369.23 × 1,627.70
  4. Step 4: Simplify right side
    4,915.09x = 11,994,895.67
  5. Step 5: Solve for x
    x = 11,994,895.67/4,915.09
  6. Step 6: Final answer
    x = 2,440.42

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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.