Home / 3,914.06-5,400.97-2,235.53

Finding the Fourth Proportional to 3,914.06, 5,400.97 and 2,235.53

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Solution

The fourth proportional to 3,914.06, 5,400.97 and 2,235.53 is: 3,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.06 : 5,400.97 = 2,235.53 : x
  2. Step 2: Convert to fraction form
    3,914.06/5,400.97 = 2,235.53/x
  3. Step 3: Cross multiply
    3,914.06x = 5,400.97 × 2,235.53
  4. Step 4: Simplify right side
    3,914.06x = 12,074,038.38
  5. Step 5: Solve for x
    x = 12,074,038.38/3,914.06
  6. Step 6: Final answer
    x = 3,084.79

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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.