Home / 3,842.12-5,301.30-2,447.24

Finding the Fourth Proportional to 3,842.12, 5,301.30 and 2,447.24

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Solution

The fourth proportional to 3,842.12, 5,301.30 and 2,447.24 is: 3,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.12 : 5,301.30 = 2,447.24 : x
  2. Step 2: Convert to fraction form
    3,842.12/5,301.30 = 2,447.24/x
  3. Step 3: Cross multiply
    3,842.12x = 5,301.30 × 2,447.24
  4. Step 4: Simplify right side
    3,842.12x = 12,973,553.41
  5. Step 5: Solve for x
    x = 12,973,553.41/3,842.12
  6. Step 6: Final answer
    x = 3,376.67

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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.