Home / 1,724.11-2,586.30-1,181.68

Finding the Fourth Proportional to 1,724.11, 2,586.30 and 1,181.68

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Solution

The fourth proportional to 1,724.11, 2,586.30 and 1,181.68 is: 1,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.11 : 2,586.30 = 1,181.68 : x
  2. Step 2: Convert to fraction form
    1,724.11/2,586.30 = 1,181.68/x
  3. Step 3: Cross multiply
    1,724.11x = 2,586.30 × 1,181.68
  4. Step 4: Simplify right side
    1,724.11x = 3,056,178.98
  5. Step 5: Solve for x
    x = 3,056,178.98/1,724.11
  6. Step 6: Final answer
    x = 1,772.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.