Home / 5,369.20-7,415.50-3,695.74

Finding the Fourth Proportional to 5,369.20, 7,415.50 and 3,695.74

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Solution

The fourth proportional to 5,369.20, 7,415.50 and 3,695.74 is: 5,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.20 : 7,415.50 = 3,695.74 : x
  2. Step 2: Convert to fraction form
    5,369.20/7,415.50 = 3,695.74/x
  3. Step 3: Cross multiply
    5,369.20x = 7,415.50 × 3,695.74
  4. Step 4: Simplify right side
    5,369.20x = 27,405,759.97
  5. Step 5: Solve for x
    x = 27,405,759.97/5,369.20
  6. Step 6: Final answer
    x = 5,104.25

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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.