Home / 5,589.12-7,713.21-3,199.48

Finding the Fourth Proportional to 5,589.12, 7,713.21 and 3,199.48

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Solution

The fourth proportional to 5,589.12, 7,713.21 and 3,199.48 is: 4,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.12 : 7,713.21 = 3,199.48 : x
  2. Step 2: Convert to fraction form
    5,589.12/7,713.21 = 3,199.48/x
  3. Step 3: Cross multiply
    5,589.12x = 7,713.21 × 3,199.48
  4. Step 4: Simplify right side
    5,589.12x = 24,678,261.13
  5. Step 5: Solve for x
    x = 24,678,261.13/5,589.12
  6. Step 6: Final answer
    x = 4,415.41

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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.