Home / 3,708.26-5,117.97-2,114.91

Finding the Fourth Proportional to 3,708.26, 5,117.97 and 2,114.91

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Solution

The fourth proportional to 3,708.26, 5,117.97 and 2,114.91 is: 2,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.26 : 5,117.97 = 2,114.91 : x
  2. Step 2: Convert to fraction form
    3,708.26/5,117.97 = 2,114.91/x
  3. Step 3: Cross multiply
    3,708.26x = 5,117.97 × 2,114.91
  4. Step 4: Simplify right side
    3,708.26x = 10,824,009.77
  5. Step 5: Solve for x
    x = 10,824,009.77/3,708.26
  6. Step 6: Final answer
    x = 2,918.90

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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.