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Finding the Fourth Proportional to 3,801.28, 5,682.44 and 2,926.48

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Solution

The fourth proportional to 3,801.28, 5,682.44 and 2,926.48 is: 4,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.28 : 5,682.44 = 2,926.48 : x
  2. Step 2: Convert to fraction form
    3,801.28/5,682.44 = 2,926.48/x
  3. Step 3: Cross multiply
    3,801.28x = 5,682.44 × 2,926.48
  4. Step 4: Simplify right side
    3,801.28x = 16,629,547.01
  5. Step 5: Solve for x
    x = 16,629,547.01/3,801.28
  6. Step 6: Final answer
    x = 4,374.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.