Home / 3,845.69-5,307.12-2,333.24

Finding the Fourth Proportional to 3,845.69, 5,307.12 and 2,333.24

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Solution

The fourth proportional to 3,845.69, 5,307.12 and 2,333.24 is: 3,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.69 : 5,307.12 = 2,333.24 : x
  2. Step 2: Convert to fraction form
    3,845.69/5,307.12 = 2,333.24/x
  3. Step 3: Cross multiply
    3,845.69x = 5,307.12 × 2,333.24
  4. Step 4: Simplify right side
    3,845.69x = 12,382,758.13
  5. Step 5: Solve for x
    x = 12,382,758.13/3,845.69
  6. Step 6: Final answer
    x = 3,219.91

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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.