Home / 3,213.60-4,434.63-1,797.42

Finding the Fourth Proportional to 3,213.60, 4,434.63 and 1,797.42

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Solution

The fourth proportional to 3,213.60, 4,434.63 and 1,797.42 is: 2,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.60 : 4,434.63 = 1,797.42 : x
  2. Step 2: Convert to fraction form
    3,213.60/4,434.63 = 1,797.42/x
  3. Step 3: Cross multiply
    3,213.60x = 4,434.63 × 1,797.42
  4. Step 4: Simplify right side
    3,213.60x = 7,970,892.65
  5. Step 5: Solve for x
    x = 7,970,892.65/3,213.60
  6. Step 6: Final answer
    x = 2,480.36

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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.