Home / 5,170.42-7,753.30-1,471.76

Finding the Fourth Proportional to 5,170.42, 7,753.30 and 1,471.76

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Solution

The fourth proportional to 5,170.42, 7,753.30 and 1,471.76 is: 2,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.42 : 7,753.30 = 1,471.76 : x
  2. Step 2: Convert to fraction form
    5,170.42/7,753.30 = 1,471.76/x
  3. Step 3: Cross multiply
    5,170.42x = 7,753.30 × 1,471.76
  4. Step 4: Simplify right side
    5,170.42x = 11,410,996.81
  5. Step 5: Solve for x
    x = 11,410,996.81/5,170.42
  6. Step 6: Final answer
    x = 2,206.98

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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.