Home / 7,574.30-11,361.90-2,380.18

Finding the Fourth Proportional to 7,574.30, 11,361.90 and 2,380.18

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Solution

The fourth proportional to 7,574.30, 11,361.90 and 2,380.18 is: 3,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.30 : 11,361.90 = 2,380.18 : x
  2. Step 2: Convert to fraction form
    7,574.30/11,361.90 = 2,380.18/x
  3. Step 3: Cross multiply
    7,574.30x = 11,361.90 × 2,380.18
  4. Step 4: Simplify right side
    7,574.30x = 27,043,367.14
  5. Step 5: Solve for x
    x = 27,043,367.14/7,574.30
  6. Step 6: Final answer
    x = 3,570.41

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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.