Home / 3,519.97-4,857.40-1,926.58

Finding the Fourth Proportional to 3,519.97, 4,857.40 and 1,926.58

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Solution

The fourth proportional to 3,519.97, 4,857.40 and 1,926.58 is: 2,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.97 : 4,857.40 = 1,926.58 : x
  2. Step 2: Convert to fraction form
    3,519.97/4,857.40 = 1,926.58/x
  3. Step 3: Cross multiply
    3,519.97x = 4,857.40 × 1,926.58
  4. Step 4: Simplify right side
    3,519.97x = 9,358,169.69
  5. Step 5: Solve for x
    x = 9,358,169.69/3,519.97
  6. Step 6: Final answer
    x = 2,658.59

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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.