Home / 4,147.34-5,723.46-2,379.30

Finding the Fourth Proportional to 4,147.34, 5,723.46 and 2,379.30

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Solution

The fourth proportional to 4,147.34, 5,723.46 and 2,379.30 is: 3,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.34 : 5,723.46 = 2,379.30 : x
  2. Step 2: Convert to fraction form
    4,147.34/5,723.46 = 2,379.30/x
  3. Step 3: Cross multiply
    4,147.34x = 5,723.46 × 2,379.30
  4. Step 4: Simplify right side
    4,147.34x = 13,617,828.38
  5. Step 5: Solve for x
    x = 13,617,828.38/4,147.34
  6. Step 6: Final answer
    x = 3,283.51

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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.