Home / 4,922.04-7,382-1,635.40

Finding the Fourth Proportional to 4,922.04, 7,382 and 1,635.40

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Solution

The fourth proportional to 4,922.04, 7,382 and 1,635.40 is: 2,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.04 : 7,382 = 1,635.40 : x
  2. Step 2: Convert to fraction form
    4,922.04/7,382 = 1,635.40/x
  3. Step 3: Cross multiply
    4,922.04x = 7,382 × 1,635.40
  4. Step 4: Simplify right side
    4,922.04x = 12,072,522.80
  5. Step 5: Solve for x
    x = 12,072,522.80/4,922.04
  6. Step 6: Final answer
    x = 2,452.75

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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.