Home / 5,175.60-7,750.44-4,131.12

Finding the Fourth Proportional to 5,175.60, 7,750.44 and 4,131.12

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Solution

The fourth proportional to 5,175.60, 7,750.44 and 4,131.12 is: 6,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.60 : 7,750.44 = 4,131.12 : x
  2. Step 2: Convert to fraction form
    5,175.60/7,750.44 = 4,131.12/x
  3. Step 3: Cross multiply
    5,175.60x = 7,750.44 × 4,131.12
  4. Step 4: Simplify right side
    5,175.60x = 32,017,997.69
  5. Step 5: Solve for x
    x = 32,017,997.69/5,175.60
  6. Step 6: Final answer
    x = 6,186.34

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1.5x scale

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.