Home / 3,950.99-5,453.45-2,458.02

Finding the Fourth Proportional to 3,950.99, 5,453.45 and 2,458.02

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Solution

The fourth proportional to 3,950.99, 5,453.45 and 2,458.02 is: 3,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.99 : 5,453.45 = 2,458.02 : x
  2. Step 2: Convert to fraction form
    3,950.99/5,453.45 = 2,458.02/x
  3. Step 3: Cross multiply
    3,950.99x = 5,453.45 × 2,458.02
  4. Step 4: Simplify right side
    3,950.99x = 13,404,661.90
  5. Step 5: Solve for x
    x = 13,404,661.90/3,950.99
  6. Step 6: Final answer
    x = 3,392.74

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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.