Home / 3,967.94-5,475.67-2,199.56

Finding the Fourth Proportional to 3,967.94, 5,475.67 and 2,199.56

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Solution

The fourth proportional to 3,967.94, 5,475.67 and 2,199.56 is: 3,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.94 : 5,475.67 = 2,199.56 : x
  2. Step 2: Convert to fraction form
    3,967.94/5,475.67 = 2,199.56/x
  3. Step 3: Cross multiply
    3,967.94x = 5,475.67 × 2,199.56
  4. Step 4: Simplify right side
    3,967.94x = 12,044,031.83
  5. Step 5: Solve for x
    x = 12,044,031.83/3,967.94
  6. Step 6: Final answer
    x = 3,035.33

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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.