Home / 4,174.12-5,760.23-2,405.69

Finding the Fourth Proportional to 4,174.12, 5,760.23 and 2,405.69

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Solution

The fourth proportional to 4,174.12, 5,760.23 and 2,405.69 is: 3,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.12 : 5,760.23 = 2,405.69 : x
  2. Step 2: Convert to fraction form
    4,174.12/5,760.23 = 2,405.69/x
  3. Step 3: Cross multiply
    4,174.12x = 5,760.23 × 2,405.69
  4. Step 4: Simplify right side
    4,174.12x = 13,857,327.71
  5. Step 5: Solve for x
    x = 13,857,327.71/4,174.12
  6. Step 6: Final answer
    x = 3,319.82

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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.