Home / 3,133.01-4,324.82-2,139.32

Finding the Fourth Proportional to 3,133.01, 4,324.82 and 2,139.32

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Solution

The fourth proportional to 3,133.01, 4,324.82 and 2,139.32 is: 2,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.01 : 4,324.82 = 2,139.32 : x
  2. Step 2: Convert to fraction form
    3,133.01/4,324.82 = 2,139.32/x
  3. Step 3: Cross multiply
    3,133.01x = 4,324.82 × 2,139.32
  4. Step 4: Simplify right side
    3,133.01x = 9,252,141.60
  5. Step 5: Solve for x
    x = 9,252,141.60/3,133.01
  6. Step 6: Final answer
    x = 2,953.12

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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.