Home / 5,438.22-7,505.04-3,080.82

Finding the Fourth Proportional to 5,438.22, 7,505.04 and 3,080.82

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Solution

The fourth proportional to 5,438.22, 7,505.04 and 3,080.82 is: 4,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.22 : 7,505.04 = 3,080.82 : x
  2. Step 2: Convert to fraction form
    5,438.22/7,505.04 = 3,080.82/x
  3. Step 3: Cross multiply
    5,438.22x = 7,505.04 × 3,080.82
  4. Step 4: Simplify right side
    5,438.22x = 23,121,677.33
  5. Step 5: Solve for x
    x = 23,121,677.33/5,438.22
  6. Step 6: Final answer
    x = 4,251.70

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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.