Home / 5,219.09-7,159.44-4,936.62

Finding the Fourth Proportional to 5,219.09, 7,159.44 and 4,936.62

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Solution

The fourth proportional to 5,219.09, 7,159.44 and 4,936.62 is: 6,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.09 : 7,159.44 = 4,936.62 : x
  2. Step 2: Convert to fraction form
    5,219.09/7,159.44 = 4,936.62/x
  3. Step 3: Cross multiply
    5,219.09x = 7,159.44 × 4,936.62
  4. Step 4: Simplify right side
    5,219.09x = 35,343,434.69
  5. Step 5: Solve for x
    x = 35,343,434.69/5,219.09
  6. Step 6: Final answer
    x = 6,771.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.