Home / 2,982.01-4,114.34-1,864.08

Finding the Fourth Proportional to 2,982.01, 4,114.34 and 1,864.08

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Solution

The fourth proportional to 2,982.01, 4,114.34 and 1,864.08 is: 2,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.01 : 4,114.34 = 1,864.08 : x
  2. Step 2: Convert to fraction form
    2,982.01/4,114.34 = 1,864.08/x
  3. Step 3: Cross multiply
    2,982.01x = 4,114.34 × 1,864.08
  4. Step 4: Simplify right side
    2,982.01x = 7,669,472.01
  5. Step 5: Solve for x
    x = 7,669,472.01/2,982.01
  6. Step 6: Final answer
    x = 2,571.92

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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.