Home / 5,319.41-7,339.56-3,049.70

Finding the Fourth Proportional to 5,319.41, 7,339.56 and 3,049.70

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Solution

The fourth proportional to 5,319.41, 7,339.56 and 3,049.70 is: 4,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.41 : 7,339.56 = 3,049.70 : x
  2. Step 2: Convert to fraction form
    5,319.41/7,339.56 = 3,049.70/x
  3. Step 3: Cross multiply
    5,319.41x = 7,339.56 × 3,049.70
  4. Step 4: Simplify right side
    5,319.41x = 22,383,408.00
  5. Step 5: Solve for x
    x = 22,383,408.00/5,319.41
  6. Step 6: Final answer
    x = 4,207.88

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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.