Home / 7,380.79-10,185.73-4,023.43

Finding the Fourth Proportional to 7,380.79, 10,185.73 and 4,023.43

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Solution

The fourth proportional to 7,380.79, 10,185.73 and 4,023.43 is: 5,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.79 : 10,185.73 = 4,023.43 : x
  2. Step 2: Convert to fraction form
    7,380.79/10,185.73 = 4,023.43/x
  3. Step 3: Cross multiply
    7,380.79x = 10,185.73 × 4,023.43
  4. Step 4: Simplify right side
    7,380.79x = 40,981,536.13
  5. Step 5: Solve for x
    x = 40,981,536.13/7,380.79
  6. Step 6: Final answer
    x = 5,552.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.