Home / 5,185.44-7,156.08-2,827.71

Finding the Fourth Proportional to 5,185.44, 7,156.08 and 2,827.71

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Solution

The fourth proportional to 5,185.44, 7,156.08 and 2,827.71 is: 3,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.44 : 7,156.08 = 2,827.71 : x
  2. Step 2: Convert to fraction form
    5,185.44/7,156.08 = 2,827.71/x
  3. Step 3: Cross multiply
    5,185.44x = 7,156.08 × 2,827.71
  4. Step 4: Simplify right side
    5,185.44x = 20,235,318.98
  5. Step 5: Solve for x
    x = 20,235,318.98/5,185.44
  6. Step 6: Final answer
    x = 3,902.33

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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.