Home / 5,185.33-7,126.25-4,857.28

Finding the Fourth Proportional to 5,185.33, 7,126.25 and 4,857.28

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Solution

The fourth proportional to 5,185.33, 7,126.25 and 4,857.28 is: 6,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.33 : 7,126.25 = 4,857.28 : x
  2. Step 2: Convert to fraction form
    5,185.33/7,126.25 = 4,857.28/x
  3. Step 3: Cross multiply
    5,185.33x = 7,126.25 × 4,857.28
  4. Step 4: Simplify right side
    5,185.33x = 34,614,191.60
  5. Step 5: Solve for x
    x = 34,614,191.60/5,185.33
  6. Step 6: Final answer
    x = 6,675.41

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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.