Home / 3,424.12-5,135.16-958.34

Finding the Fourth Proportional to 3,424.12, 5,135.16 and 958.34

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Solution

The fourth proportional to 3,424.12, 5,135.16 and 958.34 is: 1,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.12 : 5,135.16 = 958.34 : x
  2. Step 2: Convert to fraction form
    3,424.12/5,135.16 = 958.34/x
  3. Step 3: Cross multiply
    3,424.12x = 5,135.16 × 958.34
  4. Step 4: Simplify right side
    3,424.12x = 4,921,229.23
  5. Step 5: Solve for x
    x = 4,921,229.23/3,424.12
  6. Step 6: Final answer
    x = 1,437.22

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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.