Home / 5,738.23-7,918.80-3,747.61

Finding the Fourth Proportional to 5,738.23, 7,918.80 and 3,747.61

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Solution

The fourth proportional to 5,738.23, 7,918.80 and 3,747.61 is: 5,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.23 : 7,918.80 = 3,747.61 : x
  2. Step 2: Convert to fraction form
    5,738.23/7,918.80 = 3,747.61/x
  3. Step 3: Cross multiply
    5,738.23x = 7,918.80 × 3,747.61
  4. Step 4: Simplify right side
    5,738.23x = 29,676,574.07
  5. Step 5: Solve for x
    x = 29,676,574.07/5,738.23
  6. Step 6: Final answer
    x = 5,171.73

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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.