Home / 5,134.80-7,697.58-1,847.12

Finding the Fourth Proportional to 5,134.80, 7,697.58 and 1,847.12

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Solution

The fourth proportional to 5,134.80, 7,697.58 and 1,847.12 is: 2,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.80 : 7,697.58 = 1,847.12 : x
  2. Step 2: Convert to fraction form
    5,134.80/7,697.58 = 1,847.12/x
  3. Step 3: Cross multiply
    5,134.80x = 7,697.58 × 1,847.12
  4. Step 4: Simplify right side
    5,134.80x = 14,218,353.97
  5. Step 5: Solve for x
    x = 14,218,353.97/5,134.80
  6. Step 6: Final answer
    x = 2,769.02

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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.