Home / 3,708.50-5,117.66-2,216.75

Finding the Fourth Proportional to 3,708.50, 5,117.66 and 2,216.75

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Solution

The fourth proportional to 3,708.50, 5,117.66 and 2,216.75 is: 3,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.50 : 5,117.66 = 2,216.75 : x
  2. Step 2: Convert to fraction form
    3,708.50/5,117.66 = 2,216.75/x
  3. Step 3: Cross multiply
    3,708.50x = 5,117.66 × 2,216.75
  4. Step 4: Simplify right side
    3,708.50x = 11,344,561.72
  5. Step 5: Solve for x
    x = 11,344,561.72/3,708.50
  6. Step 6: Final answer
    x = 3,059.07

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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.