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Finding the Fourth Proportional to 5,671.04, 7,825.96 and 3,187.04

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Solution

The fourth proportional to 5,671.04, 7,825.96 and 3,187.04 is: 4,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.04 : 7,825.96 = 3,187.04 : x
  2. Step 2: Convert to fraction form
    5,671.04/7,825.96 = 3,187.04/x
  3. Step 3: Cross multiply
    5,671.04x = 7,825.96 × 3,187.04
  4. Step 4: Simplify right side
    5,671.04x = 24,941,647.56
  5. Step 5: Solve for x
    x = 24,941,647.56/5,671.04
  6. Step 6: Final answer
    x = 4,398.07

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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.