Home / 3,950.39-5,452.63-2,457.42

Finding the Fourth Proportional to 3,950.39, 5,452.63 and 2,457.42

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Solution

The fourth proportional to 3,950.39, 5,452.63 and 2,457.42 is: 3,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.39 : 5,452.63 = 2,457.42 : x
  2. Step 2: Convert to fraction form
    3,950.39/5,452.63 = 2,457.42/x
  3. Step 3: Cross multiply
    3,950.39x = 5,452.63 × 2,457.42
  4. Step 4: Simplify right side
    3,950.39x = 13,399,395.87
  5. Step 5: Solve for x
    x = 13,399,395.87/3,950.39
  6. Step 6: Final answer
    x = 3,391.92

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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.