Home / 5,181.93-7,151.04-3,057.48

Finding the Fourth Proportional to 5,181.93, 7,151.04 and 3,057.48

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Solution

The fourth proportional to 5,181.93, 7,151.04 and 3,057.48 is: 4,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.93 : 7,151.04 = 3,057.48 : x
  2. Step 2: Convert to fraction form
    5,181.93/7,151.04 = 3,057.48/x
  3. Step 3: Cross multiply
    5,181.93x = 7,151.04 × 3,057.48
  4. Step 4: Simplify right side
    5,181.93x = 21,864,161.78
  5. Step 5: Solve for x
    x = 21,864,161.78/5,181.93
  6. Step 6: Final answer
    x = 4,219.31

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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.