Home / 2,450.41-3,374.13-2,171.77

Finding the Fourth Proportional to 2,450.41, 3,374.13 and 2,171.77

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Solution

The fourth proportional to 2,450.41, 3,374.13 and 2,171.77 is: 2,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.41 : 3,374.13 = 2,171.77 : x
  2. Step 2: Convert to fraction form
    2,450.41/3,374.13 = 2,171.77/x
  3. Step 3: Cross multiply
    2,450.41x = 3,374.13 × 2,171.77
  4. Step 4: Simplify right side
    2,450.41x = 7,327,834.31
  5. Step 5: Solve for x
    x = 7,327,834.31/2,450.41
  6. Step 6: Final answer
    x = 2,990.45

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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.