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Finding the Fourth Proportional to 2,671.01, 4,008.47 and 2,157.15

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Solution

The fourth proportional to 2,671.01, 4,008.47 and 2,157.15 is: 3,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.01 : 4,008.47 = 2,157.15 : x
  2. Step 2: Convert to fraction form
    2,671.01/4,008.47 = 2,157.15/x
  3. Step 3: Cross multiply
    2,671.01x = 4,008.47 × 2,157.15
  4. Step 4: Simplify right side
    2,671.01x = 8,646,860.27
  5. Step 5: Solve for x
    x = 8,646,860.27/2,671.01
  6. Step 6: Final answer
    x = 3,237.31

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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.