Home / 5,211.26-7,191.26-2,852.94

Finding the Fourth Proportional to 5,211.26, 7,191.26 and 2,852.94

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Solution

The fourth proportional to 5,211.26, 7,191.26 and 2,852.94 is: 3,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.26 : 7,191.26 = 2,852.94 : x
  2. Step 2: Convert to fraction form
    5,211.26/7,191.26 = 2,852.94/x
  3. Step 3: Cross multiply
    5,211.26x = 7,191.26 × 2,852.94
  4. Step 4: Simplify right side
    5,211.26x = 20,516,219.04
  5. Step 5: Solve for x
    x = 20,516,219.04/5,211.26
  6. Step 6: Final answer
    x = 3,936.91

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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.