Home / 1,919.18-2,877.11-1,592.84

Finding the Fourth Proportional to 1,919.18, 2,877.11 and 1,592.84

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Solution

The fourth proportional to 1,919.18, 2,877.11 and 1,592.84 is: 2,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.18 : 2,877.11 = 1,592.84 : x
  2. Step 2: Convert to fraction form
    1,919.18/2,877.11 = 1,592.84/x
  3. Step 3: Cross multiply
    1,919.18x = 2,877.11 × 1,592.84
  4. Step 4: Simplify right side
    1,919.18x = 4,582,753.54
  5. Step 5: Solve for x
    x = 4,582,753.54/1,919.18
  6. Step 6: Final answer
    x = 2,387.88

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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.