Home / 4,131.03-5,696.41-3,122.31

Finding the Fourth Proportional to 4,131.03, 5,696.41 and 3,122.31

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Solution

The fourth proportional to 4,131.03, 5,696.41 and 3,122.31 is: 4,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.03 : 5,696.41 = 3,122.31 : x
  2. Step 2: Convert to fraction form
    4,131.03/5,696.41 = 3,122.31/x
  3. Step 3: Cross multiply
    4,131.03x = 5,696.41 × 3,122.31
  4. Step 4: Simplify right side
    4,131.03x = 17,785,957.91
  5. Step 5: Solve for x
    x = 17,785,957.91/4,131.03
  6. Step 6: Final answer
    x = 4,305.45

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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.