Home / 3,675.03-5,071.14-2,103.21

Finding the Fourth Proportional to 3,675.03, 5,071.14 and 2,103.21

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Solution

The fourth proportional to 3,675.03, 5,071.14 and 2,103.21 is: 2,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.03 : 5,071.14 = 2,103.21 : x
  2. Step 2: Convert to fraction form
    3,675.03/5,071.14 = 2,103.21/x
  3. Step 3: Cross multiply
    3,675.03x = 5,071.14 × 2,103.21
  4. Step 4: Simplify right side
    3,675.03x = 10,665,672.36
  5. Step 5: Solve for x
    x = 10,665,672.36/3,675.03
  6. Step 6: Final answer
    x = 2,902.20

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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.