Home / 2,101.84-3,153.03-1,956.04

Finding the Fourth Proportional to 2,101.84, 3,153.03 and 1,956.04

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Solution

The fourth proportional to 2,101.84, 3,153.03 and 1,956.04 is: 2,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.84 : 3,153.03 = 1,956.04 : x
  2. Step 2: Convert to fraction form
    2,101.84/3,153.03 = 1,956.04/x
  3. Step 3: Cross multiply
    2,101.84x = 3,153.03 × 1,956.04
  4. Step 4: Simplify right side
    2,101.84x = 6,167,452.80
  5. Step 5: Solve for x
    x = 6,167,452.80/2,101.84
  6. Step 6: Final answer
    x = 2,934.31

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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.