Home / 5,395.32-7,446.12-3,270.78

Finding the Fourth Proportional to 5,395.32, 7,446.12 and 3,270.78

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Solution

The fourth proportional to 5,395.32, 7,446.12 and 3,270.78 is: 4,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.32 : 7,446.12 = 3,270.78 : x
  2. Step 2: Convert to fraction form
    5,395.32/7,446.12 = 3,270.78/x
  3. Step 3: Cross multiply
    5,395.32x = 7,446.12 × 3,270.78
  4. Step 4: Simplify right side
    5,395.32x = 24,354,620.37
  5. Step 5: Solve for x
    x = 24,354,620.37/5,395.32
  6. Step 6: Final answer
    x = 4,514.03

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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.