Home / 5,787.10-8,680.61-1,404.52

Finding the Fourth Proportional to 5,787.10, 8,680.61 and 1,404.52

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Solution

The fourth proportional to 5,787.10, 8,680.61 and 1,404.52 is: 2,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.10 : 8,680.61 = 1,404.52 : x
  2. Step 2: Convert to fraction form
    5,787.10/8,680.61 = 1,404.52/x
  3. Step 3: Cross multiply
    5,787.10x = 8,680.61 × 1,404.52
  4. Step 4: Simplify right side
    5,787.10x = 12,192,117.05
  5. Step 5: Solve for x
    x = 12,192,117.05/5,787.10
  6. Step 6: Final answer
    x = 2,106.78

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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.