Home / 4,121.40-5,687.54-2,232.99

Finding the Fourth Proportional to 4,121.40, 5,687.54 and 2,232.99

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Solution

The fourth proportional to 4,121.40, 5,687.54 and 2,232.99 is: 3,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.40 : 5,687.54 = 2,232.99 : x
  2. Step 2: Convert to fraction form
    4,121.40/5,687.54 = 2,232.99/x
  3. Step 3: Cross multiply
    4,121.40x = 5,687.54 × 2,232.99
  4. Step 4: Simplify right side
    4,121.40x = 12,700,219.94
  5. Step 5: Solve for x
    x = 12,700,219.94/4,121.40
  6. Step 6: Final answer
    x = 3,081.53

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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.