Home / 5,188.33-7,161.42-2,951.45

Finding the Fourth Proportional to 5,188.33, 7,161.42 and 2,951.45

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Solution

The fourth proportional to 5,188.33, 7,161.42 and 2,951.45 is: 4,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.33 : 7,161.42 = 2,951.45 : x
  2. Step 2: Convert to fraction form
    5,188.33/7,161.42 = 2,951.45/x
  3. Step 3: Cross multiply
    5,188.33x = 7,161.42 × 2,951.45
  4. Step 4: Simplify right side
    5,188.33x = 21,136,573.06
  5. Step 5: Solve for x
    x = 21,136,573.06/5,188.33
  6. Step 6: Final answer
    x = 4,073.87

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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.