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Finding the Fourth Proportional to 5,184.49, 7,770.22 and 4,084.51

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Solution

The fourth proportional to 5,184.49, 7,770.22 and 4,084.51 is: 6,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.49 : 7,770.22 = 4,084.51 : x
  2. Step 2: Convert to fraction form
    5,184.49/7,770.22 = 4,084.51/x
  3. Step 3: Cross multiply
    5,184.49x = 7,770.22 × 4,084.51
  4. Step 4: Simplify right side
    5,184.49x = 31,737,541.29
  5. Step 5: Solve for x
    x = 31,737,541.29/5,184.49
  6. Step 6: Final answer
    x = 6,121.63

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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.