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Finding the Fourth Proportional to 3,993.51, 5,990.87 and 2,434.66

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Solution

The fourth proportional to 3,993.51, 5,990.87 and 2,434.66 is: 3,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.51 : 5,990.87 = 2,434.66 : x
  2. Step 2: Convert to fraction form
    3,993.51/5,990.87 = 2,434.66/x
  3. Step 3: Cross multiply
    3,993.51x = 5,990.87 × 2,434.66
  4. Step 4: Simplify right side
    3,993.51x = 14,585,719.38
  5. Step 5: Solve for x
    x = 14,585,719.38/3,993.51
  6. Step 6: Final answer
    x = 3,652.36

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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.