Home / 3,589.81-4,952.42-2,191.75

Finding the Fourth Proportional to 3,589.81, 4,952.42 and 2,191.75

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Solution

The fourth proportional to 3,589.81, 4,952.42 and 2,191.75 is: 3,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.81 : 4,952.42 = 2,191.75 : x
  2. Step 2: Convert to fraction form
    3,589.81/4,952.42 = 2,191.75/x
  3. Step 3: Cross multiply
    3,589.81x = 4,952.42 × 2,191.75
  4. Step 4: Simplify right side
    3,589.81x = 10,854,455.58
  5. Step 5: Solve for x
    x = 10,854,455.58/3,589.81
  6. Step 6: Final answer
    x = 3,023.69

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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.