Home / 3,841.53-5,766.89-2,605.19

Finding the Fourth Proportional to 3,841.53, 5,766.89 and 2,605.19

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Solution

The fourth proportional to 3,841.53, 5,766.89 and 2,605.19 is: 3,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.53 : 5,766.89 = 2,605.19 : x
  2. Step 2: Convert to fraction form
    3,841.53/5,766.89 = 2,605.19/x
  3. Step 3: Cross multiply
    3,841.53x = 5,766.89 × 2,605.19
  4. Step 4: Simplify right side
    3,841.53x = 15,023,802.30
  5. Step 5: Solve for x
    x = 15,023,802.30/3,841.53
  6. Step 6: Final answer
    x = 3,910.89

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1.5x scale

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.