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Finding the Fourth Proportional to 2,751.71, 3,796.17 and 1,842.13

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Solution

The fourth proportional to 2,751.71, 3,796.17 and 1,842.13 is: 2,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.71 : 3,796.17 = 1,842.13 : x
  2. Step 2: Convert to fraction form
    2,751.71/3,796.17 = 1,842.13/x
  3. Step 3: Cross multiply
    2,751.71x = 3,796.17 × 1,842.13
  4. Step 4: Simplify right side
    2,751.71x = 6,993,038.64
  5. Step 5: Solve for x
    x = 6,993,038.64/2,751.71
  6. Step 6: Final answer
    x = 2,541.34

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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.