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Finding the Fourth Proportional to 3,903.16, 5,843.46 and 3,038.20

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Solution

The fourth proportional to 3,903.16, 5,843.46 and 3,038.20 is: 4,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.16 : 5,843.46 = 3,038.20 : x
  2. Step 2: Convert to fraction form
    3,903.16/5,843.46 = 3,038.20/x
  3. Step 3: Cross multiply
    3,903.16x = 5,843.46 × 3,038.20
  4. Step 4: Simplify right side
    3,903.16x = 17,753,600.17
  5. Step 5: Solve for x
    x = 17,753,600.17/3,903.16
  6. Step 6: Final answer
    x = 4,548.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.