Home / 3,226.58-4,453.01-1,900.72

Finding the Fourth Proportional to 3,226.58, 4,453.01 and 1,900.72

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Solution

The fourth proportional to 3,226.58, 4,453.01 and 1,900.72 is: 2,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.58 : 4,453.01 = 1,900.72 : x
  2. Step 2: Convert to fraction form
    3,226.58/4,453.01 = 1,900.72/x
  3. Step 3: Cross multiply
    3,226.58x = 4,453.01 × 1,900.72
  4. Step 4: Simplify right side
    3,226.58x = 8,463,925.17
  5. Step 5: Solve for x
    x = 8,463,925.17/3,226.58
  6. Step 6: Final answer
    x = 2,623.19

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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.