Home / 5,173.18-7,138.86-2,935.14

Finding the Fourth Proportional to 5,173.18, 7,138.86 and 2,935.14

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Solution

The fourth proportional to 5,173.18, 7,138.86 and 2,935.14 is: 4,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.18 : 7,138.86 = 2,935.14 : x
  2. Step 2: Convert to fraction form
    5,173.18/7,138.86 = 2,935.14/x
  3. Step 3: Cross multiply
    5,173.18x = 7,138.86 × 2,935.14
  4. Step 4: Simplify right side
    5,173.18x = 20,953,553.54
  5. Step 5: Solve for x
    x = 20,953,553.54/5,173.18
  6. Step 6: Final answer
    x = 4,050.42

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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.