Home / 5,945-8,202.69-3,521.15

Finding the Fourth Proportional to 5,945, 8,202.69 and 3,521.15

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Solution

The fourth proportional to 5,945, 8,202.69 and 3,521.15 is: 4,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945 : 8,202.69 = 3,521.15 : x
  2. Step 2: Convert to fraction form
    5,945/8,202.69 = 3,521.15/x
  3. Step 3: Cross multiply
    5,945x = 8,202.69 × 3,521.15
  4. Step 4: Simplify right side
    5,945x = 28,882,860.88
  5. Step 5: Solve for x
    x = 28,882,860.88/5,945
  6. Step 6: Final answer
    x = 4,858.34

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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.