Home / 5,015.91-7,523.24-1,318.46

Finding the Fourth Proportional to 5,015.91, 7,523.24 and 1,318.46

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Solution

The fourth proportional to 5,015.91, 7,523.24 and 1,318.46 is: 1,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.91 : 7,523.24 = 1,318.46 : x
  2. Step 2: Convert to fraction form
    5,015.91/7,523.24 = 1,318.46/x
  3. Step 3: Cross multiply
    5,015.91x = 7,523.24 × 1,318.46
  4. Step 4: Simplify right side
    5,015.91x = 9,919,046.80
  5. Step 5: Solve for x
    x = 9,919,046.80/5,015.91
  6. Step 6: Final answer
    x = 1,977.52

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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.