Home / 6,751.36-10,123.81-3,190.52

Finding the Fourth Proportional to 6,751.36, 10,123.81 and 3,190.52

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Solution

The fourth proportional to 6,751.36, 10,123.81 and 3,190.52 is: 4,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.36 : 10,123.81 = 3,190.52 : x
  2. Step 2: Convert to fraction form
    6,751.36/10,123.81 = 3,190.52/x
  3. Step 3: Cross multiply
    6,751.36x = 10,123.81 × 3,190.52
  4. Step 4: Simplify right side
    6,751.36x = 32,300,197.65
  5. Step 5: Solve for x
    x = 32,300,197.65/6,751.36
  6. Step 6: Final answer
    x = 4,784.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.