Home / 3,134.27-4,325.33-1,807.90

Finding the Fourth Proportional to 3,134.27, 4,325.33 and 1,807.90

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Solution

The fourth proportional to 3,134.27, 4,325.33 and 1,807.90 is: 2,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.27 : 4,325.33 = 1,807.90 : x
  2. Step 2: Convert to fraction form
    3,134.27/4,325.33 = 1,807.90/x
  3. Step 3: Cross multiply
    3,134.27x = 4,325.33 × 1,807.90
  4. Step 4: Simplify right side
    3,134.27x = 7,819,757.81
  5. Step 5: Solve for x
    x = 7,819,757.81/3,134.27
  6. Step 6: Final answer
    x = 2,494.92

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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.