Home / 7,350.90-11,028.17-3,450.75

Finding the Fourth Proportional to 7,350.90, 11,028.17 and 3,450.75

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Solution

The fourth proportional to 7,350.90, 11,028.17 and 3,450.75 is: 5,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.90 : 11,028.17 = 3,450.75 : x
  2. Step 2: Convert to fraction form
    7,350.90/11,028.17 = 3,450.75/x
  3. Step 3: Cross multiply
    7,350.90x = 11,028.17 × 3,450.75
  4. Step 4: Simplify right side
    7,350.90x = 38,055,457.63
  5. Step 5: Solve for x
    x = 38,055,457.63/7,350.90
  6. Step 6: Final answer
    x = 5,176.98

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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.