Home / 5,589.18-7,713.43-3,697.49

Finding the Fourth Proportional to 5,589.18, 7,713.43 and 3,697.49

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Solution

The fourth proportional to 5,589.18, 7,713.43 and 3,697.49 is: 5,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.18 : 7,713.43 = 3,697.49 : x
  2. Step 2: Convert to fraction form
    5,589.18/7,713.43 = 3,697.49/x
  3. Step 3: Cross multiply
    5,589.18x = 7,713.43 × 3,697.49
  4. Step 4: Simplify right side
    5,589.18x = 28,520,340.33
  5. Step 5: Solve for x
    x = 28,520,340.33/5,589.18
  6. Step 6: Final answer
    x = 5,102.78

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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.