Home / 5,114.54-7,057.99-2,991.53

Finding the Fourth Proportional to 5,114.54, 7,057.99 and 2,991.53

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Solution

The fourth proportional to 5,114.54, 7,057.99 and 2,991.53 is: 4,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.54 : 7,057.99 = 2,991.53 : x
  2. Step 2: Convert to fraction form
    5,114.54/7,057.99 = 2,991.53/x
  3. Step 3: Cross multiply
    5,114.54x = 7,057.99 × 2,991.53
  4. Step 4: Simplify right side
    5,114.54x = 21,114,188.82
  5. Step 5: Solve for x
    x = 21,114,188.82/5,114.54
  6. Step 6: Final answer
    x = 4,128.27

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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.