Home / 3,675.23-5,071.30-2,162.86

Finding the Fourth Proportional to 3,675.23, 5,071.30 and 2,162.86

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Solution

The fourth proportional to 3,675.23, 5,071.30 and 2,162.86 is: 2,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.23 : 5,071.30 = 2,162.86 : x
  2. Step 2: Convert to fraction form
    3,675.23/5,071.30 = 2,162.86/x
  3. Step 3: Cross multiply
    3,675.23x = 5,071.30 × 2,162.86
  4. Step 4: Simplify right side
    3,675.23x = 10,968,511.92
  5. Step 5: Solve for x
    x = 10,968,511.92/3,675.23
  6. Step 6: Final answer
    x = 2,984.44

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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.