Home / 5,252.38-7,249.35-3,015.80

Finding the Fourth Proportional to 5,252.38, 7,249.35 and 3,015.80

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Solution

The fourth proportional to 5,252.38, 7,249.35 and 3,015.80 is: 4,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.38 : 7,249.35 = 3,015.80 : x
  2. Step 2: Convert to fraction form
    5,252.38/7,249.35 = 3,015.80/x
  3. Step 3: Cross multiply
    5,252.38x = 7,249.35 × 3,015.80
  4. Step 4: Simplify right side
    5,252.38x = 21,862,538.40
  5. Step 5: Solve for x
    x = 21,862,538.40/5,252.38
  6. Step 6: Final answer
    x = 4,162.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.