Home / 5,348.82-7,379.56-3,108.85

Finding the Fourth Proportional to 5,348.82, 7,379.56 and 3,108.85

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Solution

The fourth proportional to 5,348.82, 7,379.56 and 3,108.85 is: 4,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.82 : 7,379.56 = 3,108.85 : x
  2. Step 2: Convert to fraction form
    5,348.82/7,379.56 = 3,108.85/x
  3. Step 3: Cross multiply
    5,348.82x = 7,379.56 × 3,108.85
  4. Step 4: Simplify right side
    5,348.82x = 22,941,913.06
  5. Step 5: Solve for x
    x = 22,941,913.06/5,348.82
  6. Step 6: Final answer
    x = 4,289.16

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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.