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Finding the Fourth Proportional to 2,774.01, 3,827.21 and 1,726.01

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Solution

The fourth proportional to 2,774.01, 3,827.21 and 1,726.01 is: 2,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.01 : 3,827.21 = 1,726.01 : x
  2. Step 2: Convert to fraction form
    2,774.01/3,827.21 = 1,726.01/x
  3. Step 3: Cross multiply
    2,774.01x = 3,827.21 × 1,726.01
  4. Step 4: Simplify right side
    2,774.01x = 6,605,774.97
  5. Step 5: Solve for x
    x = 6,605,774.97/2,774.01
  6. Step 6: Final answer
    x = 2,381.31

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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.