Home / 5,185.14-7,744.66-4,690.79

Finding the Fourth Proportional to 5,185.14, 7,744.66 and 4,690.79

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Solution

The fourth proportional to 5,185.14, 7,744.66 and 4,690.79 is: 7,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.14 : 7,744.66 = 4,690.79 : x
  2. Step 2: Convert to fraction form
    5,185.14/7,744.66 = 4,690.79/x
  3. Step 3: Cross multiply
    5,185.14x = 7,744.66 × 4,690.79
  4. Step 4: Simplify right side
    5,185.14x = 36,328,573.68
  5. Step 5: Solve for x
    x = 36,328,573.68/5,185.14
  6. Step 6: Final answer
    x = 7,006.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.