Home / 5,379.14-7,426.65-3,589.18

Finding the Fourth Proportional to 5,379.14, 7,426.65 and 3,589.18

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Solution

The fourth proportional to 5,379.14, 7,426.65 and 3,589.18 is: 4,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.14 : 7,426.65 = 3,589.18 : x
  2. Step 2: Convert to fraction form
    5,379.14/7,426.65 = 3,589.18/x
  3. Step 3: Cross multiply
    5,379.14x = 7,426.65 × 3,589.18
  4. Step 4: Simplify right side
    5,379.14x = 26,655,578.54
  5. Step 5: Solve for x
    x = 26,655,578.54/5,379.14
  6. Step 6: Final answer
    x = 4,955.36

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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.