Home / 5,354.22-7,388.78-2,996.39

Finding the Fourth Proportional to 5,354.22, 7,388.78 and 2,996.39

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Solution

The fourth proportional to 5,354.22, 7,388.78 and 2,996.39 is: 4,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.22 : 7,388.78 = 2,996.39 : x
  2. Step 2: Convert to fraction form
    5,354.22/7,388.78 = 2,996.39/x
  3. Step 3: Cross multiply
    5,354.22x = 7,388.78 × 2,996.39
  4. Step 4: Simplify right side
    5,354.22x = 22,139,614.58
  5. Step 5: Solve for x
    x = 22,139,614.58/5,354.22
  6. Step 6: Final answer
    x = 4,134.98

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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.