Home / 5,227.16-7,842.56-2,305.71

Finding the Fourth Proportional to 5,227.16, 7,842.56 and 2,305.71

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Solution

The fourth proportional to 5,227.16, 7,842.56 and 2,305.71 is: 3,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.16 : 7,842.56 = 2,305.71 : x
  2. Step 2: Convert to fraction form
    5,227.16/7,842.56 = 2,305.71/x
  3. Step 3: Cross multiply
    5,227.16x = 7,842.56 × 2,305.71
  4. Step 4: Simplify right side
    5,227.16x = 18,082,657.49
  5. Step 5: Solve for x
    x = 18,082,657.49/5,227.16
  6. Step 6: Final answer
    x = 3,459.37

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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.