Home / 3,300.66-4,554.91-1,808.57

Finding the Fourth Proportional to 3,300.66, 4,554.91 and 1,808.57

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Solution

The fourth proportional to 3,300.66, 4,554.91 and 1,808.57 is: 2,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.66 : 4,554.91 = 1,808.57 : x
  2. Step 2: Convert to fraction form
    3,300.66/4,554.91 = 1,808.57/x
  3. Step 3: Cross multiply
    3,300.66x = 4,554.91 × 1,808.57
  4. Step 4: Simplify right side
    3,300.66x = 8,237,899.07
  5. Step 5: Solve for x
    x = 8,237,899.07/3,300.66
  6. Step 6: Final answer
    x = 2,495.83

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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.