Home / 5,168.23-7,132.02-3,015.18

Finding the Fourth Proportional to 5,168.23, 7,132.02 and 3,015.18

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Solution

The fourth proportional to 5,168.23, 7,132.02 and 3,015.18 is: 4,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.23 : 7,132.02 = 3,015.18 : x
  2. Step 2: Convert to fraction form
    5,168.23/7,132.02 = 3,015.18/x
  3. Step 3: Cross multiply
    5,168.23x = 7,132.02 × 3,015.18
  4. Step 4: Simplify right side
    5,168.23x = 21,504,362.12
  5. Step 5: Solve for x
    x = 21,504,362.12/5,168.23
  6. Step 6: Final answer
    x = 4,160.88

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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.