Home / 5,174.66-7,131.28-4,665.26

Finding the Fourth Proportional to 5,174.66, 7,131.28 and 4,665.26

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Solution

The fourth proportional to 5,174.66, 7,131.28 and 4,665.26 is: 6,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.66 : 7,131.28 = 4,665.26 : x
  2. Step 2: Convert to fraction form
    5,174.66/7,131.28 = 4,665.26/x
  3. Step 3: Cross multiply
    5,174.66x = 7,131.28 × 4,665.26
  4. Step 4: Simplify right side
    5,174.66x = 33,269,275.33
  5. Step 5: Solve for x
    x = 33,269,275.33/5,174.66
  6. Step 6: Final answer
    x = 6,429.27

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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.