Home / 3,842.06-5,300.48-2,836.18

Finding the Fourth Proportional to 3,842.06, 5,300.48 and 2,836.18

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Solution

The fourth proportional to 3,842.06, 5,300.48 and 2,836.18 is: 3,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.06 : 5,300.48 = 2,836.18 : x
  2. Step 2: Convert to fraction form
    3,842.06/5,300.48 = 2,836.18/x
  3. Step 3: Cross multiply
    3,842.06x = 5,300.48 × 2,836.18
  4. Step 4: Simplify right side
    3,842.06x = 15,033,109.21
  5. Step 5: Solve for x
    x = 15,033,109.21/3,842.06
  6. Step 6: Final answer
    x = 3,912.77

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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.