Home / 3,307.12-4,563.81-1,815.04

Finding the Fourth Proportional to 3,307.12, 4,563.81 and 1,815.04

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Solution

The fourth proportional to 3,307.12, 4,563.81 and 1,815.04 is: 2,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.12 : 4,563.81 = 1,815.04 : x
  2. Step 2: Convert to fraction form
    3,307.12/4,563.81 = 1,815.04/x
  3. Step 3: Cross multiply
    3,307.12x = 4,563.81 × 1,815.04
  4. Step 4: Simplify right side
    3,307.12x = 8,283,497.70
  5. Step 5: Solve for x
    x = 8,283,497.70/3,307.12
  6. Step 6: Final answer
    x = 2,504.75

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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.