Home / 6,715.25-9,267.21-3,690.33

Finding the Fourth Proportional to 6,715.25, 9,267.21 and 3,690.33

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Solution

The fourth proportional to 6,715.25, 9,267.21 and 3,690.33 is: 5,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.25 : 9,267.21 = 3,690.33 : x
  2. Step 2: Convert to fraction form
    6,715.25/9,267.21 = 3,690.33/x
  3. Step 3: Cross multiply
    6,715.25x = 9,267.21 × 3,690.33
  4. Step 4: Simplify right side
    6,715.25x = 34,199,063.08
  5. Step 5: Solve for x
    x = 34,199,063.08/6,715.25
  6. Step 6: Final answer
    x = 5,092.75

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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.