Home / 5,589.51-7,713.45-3,231.60

Finding the Fourth Proportional to 5,589.51, 7,713.45 and 3,231.60

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Solution

The fourth proportional to 5,589.51, 7,713.45 and 3,231.60 is: 4,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.51 : 7,713.45 = 3,231.60 : x
  2. Step 2: Convert to fraction form
    5,589.51/7,713.45 = 3,231.60/x
  3. Step 3: Cross multiply
    5,589.51x = 7,713.45 × 3,231.60
  4. Step 4: Simplify right side
    5,589.51x = 24,926,785.02
  5. Step 5: Solve for x
    x = 24,926,785.02/5,589.51
  6. Step 6: Final answer
    x = 4,459.57

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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.