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Finding the Fourth Proportional to 3,803.91, 5,708.93 and 1,614.18

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Solution

The fourth proportional to 3,803.91, 5,708.93 and 1,614.18 is: 2,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.91 : 5,708.93 = 1,614.18 : x
  2. Step 2: Convert to fraction form
    3,803.91/5,708.93 = 1,614.18/x
  3. Step 3: Cross multiply
    3,803.91x = 5,708.93 × 1,614.18
  4. Step 4: Simplify right side
    3,803.91x = 9,215,230.93
  5. Step 5: Solve for x
    x = 9,215,230.93/3,803.91
  6. Step 6: Final answer
    x = 2,422.57

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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.