Home / 7,574.42-11,362.62-2,645.48

Finding the Fourth Proportional to 7,574.42, 11,362.62 and 2,645.48

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Solution

The fourth proportional to 7,574.42, 11,362.62 and 2,645.48 is: 3,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.42 : 11,362.62 = 2,645.48 : x
  2. Step 2: Convert to fraction form
    7,574.42/11,362.62 = 2,645.48/x
  3. Step 3: Cross multiply
    7,574.42x = 11,362.62 × 2,645.48
  4. Step 4: Simplify right side
    7,574.42x = 30,059,583.96
  5. Step 5: Solve for x
    x = 30,059,583.96/7,574.42
  6. Step 6: Final answer
    x = 3,968.57

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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.