Home / 2,950.36-4,071.31-1,623.85

Finding the Fourth Proportional to 2,950.36, 4,071.31 and 1,623.85

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Solution

The fourth proportional to 2,950.36, 4,071.31 and 1,623.85 is: 2,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.36 : 4,071.31 = 1,623.85 : x
  2. Step 2: Convert to fraction form
    2,950.36/4,071.31 = 1,623.85/x
  3. Step 3: Cross multiply
    2,950.36x = 4,071.31 × 1,623.85
  4. Step 4: Simplify right side
    2,950.36x = 6,611,196.74
  5. Step 5: Solve for x
    x = 6,611,196.74/2,950.36
  6. Step 6: Final answer
    x = 2,240.81

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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.