Home / 7,555.20-11,334.42-2,290.38

Finding the Fourth Proportional to 7,555.20, 11,334.42 and 2,290.38

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Solution

The fourth proportional to 7,555.20, 11,334.42 and 2,290.38 is: 3,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.20 : 11,334.42 = 2,290.38 : x
  2. Step 2: Convert to fraction form
    7,555.20/11,334.42 = 2,290.38/x
  3. Step 3: Cross multiply
    7,555.20x = 11,334.42 × 2,290.38
  4. Step 4: Simplify right side
    7,555.20x = 25,960,128.88
  5. Step 5: Solve for x
    x = 25,960,128.88/7,555.20
  6. Step 6: Final answer
    x = 3,436.06

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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.