Home / 5,009.37-7,512.21-2,087.88

Finding the Fourth Proportional to 5,009.37, 7,512.21 and 2,087.88

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Solution

The fourth proportional to 5,009.37, 7,512.21 and 2,087.88 is: 3,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.37 : 7,512.21 = 2,087.88 : x
  2. Step 2: Convert to fraction form
    5,009.37/7,512.21 = 2,087.88/x
  3. Step 3: Cross multiply
    5,009.37x = 7,512.21 × 2,087.88
  4. Step 4: Simplify right side
    5,009.37x = 15,684,593.01
  5. Step 5: Solve for x
    x = 15,684,593.01/5,009.37
  6. Step 6: Final answer
    x = 3,131.05

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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.