Home / 4,147.52-5,723.39-2,379.29

Finding the Fourth Proportional to 4,147.52, 5,723.39 and 2,379.29

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Solution

The fourth proportional to 4,147.52, 5,723.39 and 2,379.29 is: 3,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.52 : 5,723.39 = 2,379.29 : x
  2. Step 2: Convert to fraction form
    4,147.52/5,723.39 = 2,379.29/x
  3. Step 3: Cross multiply
    4,147.52x = 5,723.39 × 2,379.29
  4. Step 4: Simplify right side
    4,147.52x = 13,617,581.92
  5. Step 5: Solve for x
    x = 13,617,581.92/4,147.52
  6. Step 6: Final answer
    x = 3,283.31

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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.