Home / 3,252.85-4,489.52-1,927.21

Finding the Fourth Proportional to 3,252.85, 4,489.52 and 1,927.21

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Solution

The fourth proportional to 3,252.85, 4,489.52 and 1,927.21 is: 2,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.85 : 4,489.52 = 1,927.21 : x
  2. Step 2: Convert to fraction form
    3,252.85/4,489.52 = 1,927.21/x
  3. Step 3: Cross multiply
    3,252.85x = 4,489.52 × 1,927.21
  4. Step 4: Simplify right side
    3,252.85x = 8,652,247.84
  5. Step 5: Solve for x
    x = 8,652,247.84/3,252.85
  6. Step 6: Final answer
    x = 2,659.90

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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.