Home / 6,859.44-9,464.72-3,874.19

Finding the Fourth Proportional to 6,859.44, 9,464.72 and 3,874.19

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Solution

The fourth proportional to 6,859.44, 9,464.72 and 3,874.19 is: 5,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.44 : 9,464.72 = 3,874.19 : x
  2. Step 2: Convert to fraction form
    6,859.44/9,464.72 = 3,874.19/x
  3. Step 3: Cross multiply
    6,859.44x = 9,464.72 × 3,874.19
  4. Step 4: Simplify right side
    6,859.44x = 36,668,056.88
  5. Step 5: Solve for x
    x = 36,668,056.88/6,859.44
  6. Step 6: Final answer
    x = 5,345.63

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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.