Home / 3,955.68-5,459.37-2,277.03

Finding the Fourth Proportional to 3,955.68, 5,459.37 and 2,277.03

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Solution

The fourth proportional to 3,955.68, 5,459.37 and 2,277.03 is: 3,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.68 : 5,459.37 = 2,277.03 : x
  2. Step 2: Convert to fraction form
    3,955.68/5,459.37 = 2,277.03/x
  3. Step 3: Cross multiply
    3,955.68x = 5,459.37 × 2,277.03
  4. Step 4: Simplify right side
    3,955.68x = 12,431,149.27
  5. Step 5: Solve for x
    x = 12,431,149.27/3,955.68
  6. Step 6: Final answer
    x = 3,142.61

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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.