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Finding the Fourth Proportional to 3,158.39, 4,737.29 and 966.94

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Solution

The fourth proportional to 3,158.39, 4,737.29 and 966.94 is: 1,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.39 : 4,737.29 = 966.94 : x
  2. Step 2: Convert to fraction form
    3,158.39/4,737.29 = 966.94/x
  3. Step 3: Cross multiply
    3,158.39x = 4,737.29 × 966.94
  4. Step 4: Simplify right side
    3,158.39x = 4,580,658.51
  5. Step 5: Solve for x
    x = 4,580,658.51/3,158.39
  6. Step 6: Final answer
    x = 1,450.31

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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.