Home / 5,908.20-8,862.30-2,787.18

Finding the Fourth Proportional to 5,908.20, 8,862.30 and 2,787.18

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Solution

The fourth proportional to 5,908.20, 8,862.30 and 2,787.18 is: 4,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.20 : 8,862.30 = 2,787.18 : x
  2. Step 2: Convert to fraction form
    5,908.20/8,862.30 = 2,787.18/x
  3. Step 3: Cross multiply
    5,908.20x = 8,862.30 × 2,787.18
  4. Step 4: Simplify right side
    5,908.20x = 24,700,825.31
  5. Step 5: Solve for x
    x = 24,700,825.31/5,908.20
  6. Step 6: Final answer
    x = 4,180.77

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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.