Home / 3,223-4,856.44-2,869.42

Finding the Fourth Proportional to 3,223, 4,856.44 and 2,869.42

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Solution

The fourth proportional to 3,223, 4,856.44 and 2,869.42 is: 4,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223 : 4,856.44 = 2,869.42 : x
  2. Step 2: Convert to fraction form
    3,223/4,856.44 = 2,869.42/x
  3. Step 3: Cross multiply
    3,223x = 4,856.44 × 2,869.42
  4. Step 4: Simplify right side
    3,223x = 13,935,166.06
  5. Step 5: Solve for x
    x = 13,935,166.06/3,223
  6. Step 6: Final answer
    x = 4,323.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.