Home / 3,486.56-4,811.33-1,914.55

Finding the Fourth Proportional to 3,486.56, 4,811.33 and 1,914.55

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Solution

The fourth proportional to 3,486.56, 4,811.33 and 1,914.55 is: 2,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.56 : 4,811.33 = 1,914.55 : x
  2. Step 2: Convert to fraction form
    3,486.56/4,811.33 = 1,914.55/x
  3. Step 3: Cross multiply
    3,486.56x = 4,811.33 × 1,914.55
  4. Step 4: Simplify right side
    3,486.56x = 9,211,524.61
  5. Step 5: Solve for x
    x = 9,211,524.61/3,486.56
  6. Step 6: Final answer
    x = 2,642.01

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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.