Home / 5,169.33-7,130.66-3,751.36

Finding the Fourth Proportional to 5,169.33, 7,130.66 and 3,751.36

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Solution

The fourth proportional to 5,169.33, 7,130.66 and 3,751.36 is: 5,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.33 : 7,130.66 = 3,751.36 : x
  2. Step 2: Convert to fraction form
    5,169.33/7,130.66 = 3,751.36/x
  3. Step 3: Cross multiply
    5,169.33x = 7,130.66 × 3,751.36
  4. Step 4: Simplify right side
    5,169.33x = 26,749,672.70
  5. Step 5: Solve for x
    x = 26,749,672.70/5,169.33
  6. Step 6: Final answer
    x = 5,174.69

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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.