Home / 2,175.35-2,996.51-2,015.88

Finding the Fourth Proportional to 2,175.35, 2,996.51 and 2,015.88

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Solution

The fourth proportional to 2,175.35, 2,996.51 and 2,015.88 is: 2,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.35 : 2,996.51 = 2,015.88 : x
  2. Step 2: Convert to fraction form
    2,175.35/2,996.51 = 2,015.88/x
  3. Step 3: Cross multiply
    2,175.35x = 2,996.51 × 2,015.88
  4. Step 4: Simplify right side
    2,175.35x = 6,040,604.58
  5. Step 5: Solve for x
    x = 6,040,604.58/2,175.35
  6. Step 6: Final answer
    x = 2,776.84

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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.