Home / 5,031-6,942.78-2,935.14

Finding the Fourth Proportional to 5,031, 6,942.78 and 2,935.14

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Solution

The fourth proportional to 5,031, 6,942.78 and 2,935.14 is: 4,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031 : 6,942.78 = 2,935.14 : x
  2. Step 2: Convert to fraction form
    5,031/6,942.78 = 2,935.14/x
  3. Step 3: Cross multiply
    5,031x = 6,942.78 × 2,935.14
  4. Step 4: Simplify right side
    5,031x = 20,378,031.29
  5. Step 5: Solve for x
    x = 20,378,031.29/5,031
  6. Step 6: Final answer
    x = 4,050.49

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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.