Home / 5,271.36-7,273.20-3,175.08

Finding the Fourth Proportional to 5,271.36, 7,273.20 and 3,175.08

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Solution

The fourth proportional to 5,271.36, 7,273.20 and 3,175.08 is: 4,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.36 : 7,273.20 = 3,175.08 : x
  2. Step 2: Convert to fraction form
    5,271.36/7,273.20 = 3,175.08/x
  3. Step 3: Cross multiply
    5,271.36x = 7,273.20 × 3,175.08
  4. Step 4: Simplify right side
    5,271.36x = 23,092,991.86
  5. Step 5: Solve for x
    x = 23,092,991.86/5,271.36
  6. Step 6: Final answer
    x = 4,380.84

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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.