Home / 2,192.24-3,272.75-2,115.35

Finding the Fourth Proportional to 2,192.24, 3,272.75 and 2,115.35

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Solution

The fourth proportional to 2,192.24, 3,272.75 and 2,115.35 is: 3,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.24 : 3,272.75 = 2,115.35 : x
  2. Step 2: Convert to fraction form
    2,192.24/3,272.75 = 2,115.35/x
  3. Step 3: Cross multiply
    2,192.24x = 3,272.75 × 2,115.35
  4. Step 4: Simplify right side
    2,192.24x = 6,922,984.77
  5. Step 5: Solve for x
    x = 6,922,984.77/2,192.24
  6. Step 6: Final answer
    x = 3,157.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.