Home / 3,675.48-5,072.07-2,103.47

Finding the Fourth Proportional to 3,675.48, 5,072.07 and 2,103.47

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Solution

The fourth proportional to 3,675.48, 5,072.07 and 2,103.47 is: 2,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.48 : 5,072.07 = 2,103.47 : x
  2. Step 2: Convert to fraction form
    3,675.48/5,072.07 = 2,103.47/x
  3. Step 3: Cross multiply
    3,675.48x = 5,072.07 × 2,103.47
  4. Step 4: Simplify right side
    3,675.48x = 10,668,936.80
  5. Step 5: Solve for x
    x = 10,668,936.80/3,675.48
  6. Step 6: Final answer
    x = 2,902.74

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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.