Home / 1,624.94-2,243.44-1,251.21

Finding the Fourth Proportional to 1,624.94, 2,243.44 and 1,251.21

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Solution

The fourth proportional to 1,624.94, 2,243.44 and 1,251.21 is: 1,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.94 : 2,243.44 = 1,251.21 : x
  2. Step 2: Convert to fraction form
    1,624.94/2,243.44 = 1,251.21/x
  3. Step 3: Cross multiply
    1,624.94x = 2,243.44 × 1,251.21
  4. Step 4: Simplify right side
    1,624.94x = 2,807,014.56
  5. Step 5: Solve for x
    x = 2,807,014.56/1,624.94
  6. Step 6: Final answer
    x = 1,727.46

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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.