Home / 3,950.36-5,450.65-2,356.58

Finding the Fourth Proportional to 3,950.36, 5,450.65 and 2,356.58

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Solution

The fourth proportional to 3,950.36, 5,450.65 and 2,356.58 is: 3,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.36 : 5,450.65 = 2,356.58 : x
  2. Step 2: Convert to fraction form
    3,950.36/5,450.65 = 2,356.58/x
  3. Step 3: Cross multiply
    3,950.36x = 5,450.65 × 2,356.58
  4. Step 4: Simplify right side
    3,950.36x = 12,844,892.78
  5. Step 5: Solve for x
    x = 12,844,892.78/3,950.36
  6. Step 6: Final answer
    x = 3,251.58

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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.