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Finding the Fourth Proportional to 3,158.69, 4,738.03 and 967.13

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Solution

The fourth proportional to 3,158.69, 4,738.03 and 967.13 is: 1,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.69 : 4,738.03 = 967.13 : x
  2. Step 2: Convert to fraction form
    3,158.69/4,738.03 = 967.13/x
  3. Step 3: Cross multiply
    3,158.69x = 4,738.03 × 967.13
  4. Step 4: Simplify right side
    3,158.69x = 4,582,300.38
  5. Step 5: Solve for x
    x = 4,582,300.38/3,158.69
  6. Step 6: Final answer
    x = 1,450.70

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Similar ratio
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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.