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Finding the Fourth Proportional to 3,000.84, 4,141.12 and 1,674.69

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Solution

The fourth proportional to 3,000.84, 4,141.12 and 1,674.69 is: 2,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.84 : 4,141.12 = 1,674.69 : x
  2. Step 2: Convert to fraction form
    3,000.84/4,141.12 = 1,674.69/x
  3. Step 3: Cross multiply
    3,000.84x = 4,141.12 × 1,674.69
  4. Step 4: Simplify right side
    3,000.84x = 6,935,092.25
  5. Step 5: Solve for x
    x = 6,935,092.25/3,000.84
  6. Step 6: Final answer
    x = 2,311.05

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Half scale
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Double scale
Find fourth proportional to 3,001.84, 4,142.50 and 1,675.69
Similar ratio
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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.