Home / 5,361.45-8,041.74-2,240.31

Finding the Fourth Proportional to 5,361.45, 8,041.74 and 2,240.31

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Solution

The fourth proportional to 5,361.45, 8,041.74 and 2,240.31 is: 3,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.45 : 8,041.74 = 2,240.31 : x
  2. Step 2: Convert to fraction form
    5,361.45/8,041.74 = 2,240.31/x
  3. Step 3: Cross multiply
    5,361.45x = 8,041.74 × 2,240.31
  4. Step 4: Simplify right side
    5,361.45x = 18,015,990.54
  5. Step 5: Solve for x
    x = 18,015,990.54/5,361.45
  6. Step 6: Final answer
    x = 3,360.28

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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.