Home / 5,071.45-7,007.46-4,185.71

Finding the Fourth Proportional to 5,071.45, 7,007.46 and 4,185.71

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Solution

The fourth proportional to 5,071.45, 7,007.46 and 4,185.71 is: 5,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.45 : 7,007.46 = 4,185.71 : x
  2. Step 2: Convert to fraction form
    5,071.45/7,007.46 = 4,185.71/x
  3. Step 3: Cross multiply
    5,071.45x = 7,007.46 × 4,185.71
  4. Step 4: Simplify right side
    5,071.45x = 29,331,197.56
  5. Step 5: Solve for x
    x = 29,331,197.56/5,071.45
  6. Step 6: Final answer
    x = 5,783.59

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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.