Home / 5,375.51-7,418.39-3,137.03

Finding the Fourth Proportional to 5,375.51, 7,418.39 and 3,137.03

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Solution

The fourth proportional to 5,375.51, 7,418.39 and 3,137.03 is: 4,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.51 : 7,418.39 = 3,137.03 : x
  2. Step 2: Convert to fraction form
    5,375.51/7,418.39 = 3,137.03/x
  3. Step 3: Cross multiply
    5,375.51x = 7,418.39 × 3,137.03
  4. Step 4: Simplify right side
    5,375.51x = 23,271,659.20
  5. Step 5: Solve for x
    x = 23,271,659.20/5,375.51
  6. Step 6: Final answer
    x = 4,329.20

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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.