Home / 3,708.56-5,117.12-2,216.16

Finding the Fourth Proportional to 3,708.56, 5,117.12 and 2,216.16

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Solution

The fourth proportional to 3,708.56, 5,117.12 and 2,216.16 is: 3,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.56 : 5,117.12 = 2,216.16 : x
  2. Step 2: Convert to fraction form
    3,708.56/5,117.12 = 2,216.16/x
  3. Step 3: Cross multiply
    3,708.56x = 5,117.12 × 2,216.16
  4. Step 4: Simplify right side
    3,708.56x = 11,340,366.35
  5. Step 5: Solve for x
    x = 11,340,366.35/3,708.56
  6. Step 6: Final answer
    x = 3,057.89

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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.