Home / 2,176.88-3,265.44-1,412.24

Finding the Fourth Proportional to 2,176.88, 3,265.44 and 1,412.24

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Solution

The fourth proportional to 2,176.88, 3,265.44 and 1,412.24 is: 2,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.88 : 3,265.44 = 1,412.24 : x
  2. Step 2: Convert to fraction form
    2,176.88/3,265.44 = 1,412.24/x
  3. Step 3: Cross multiply
    2,176.88x = 3,265.44 × 1,412.24
  4. Step 4: Simplify right side
    2,176.88x = 4,611,584.99
  5. Step 5: Solve for x
    x = 4,611,584.99/2,176.88
  6. Step 6: Final answer
    x = 2,118.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.