Home / 4,937.76-7,408.56-1,861.92

Finding the Fourth Proportional to 4,937.76, 7,408.56 and 1,861.92

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Solution

The fourth proportional to 4,937.76, 7,408.56 and 1,861.92 is: 2,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.76 : 7,408.56 = 1,861.92 : x
  2. Step 2: Convert to fraction form
    4,937.76/7,408.56 = 1,861.92/x
  3. Step 3: Cross multiply
    4,937.76x = 7,408.56 × 1,861.92
  4. Step 4: Simplify right side
    4,937.76x = 13,794,146.04
  5. Step 5: Solve for x
    x = 13,794,146.04/4,937.76
  6. Step 6: Final answer
    x = 2,793.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.