Home / 3,825.46-5,284.34-2,996.65

Finding the Fourth Proportional to 3,825.46, 5,284.34 and 2,996.65

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Solution

The fourth proportional to 3,825.46, 5,284.34 and 2,996.65 is: 4,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.46 : 5,284.34 = 2,996.65 : x
  2. Step 2: Convert to fraction form
    3,825.46/5,284.34 = 2,996.65/x
  3. Step 3: Cross multiply
    3,825.46x = 5,284.34 × 2,996.65
  4. Step 4: Simplify right side
    3,825.46x = 15,835,317.46
  5. Step 5: Solve for x
    x = 15,835,317.46/3,825.46
  6. Step 6: Final answer
    x = 4,139.45

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1.5x scale

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.