Home / 5,787.05-8,680.58-1,404.51

Finding the Fourth Proportional to 5,787.05, 8,680.58 and 1,404.51

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Solution

The fourth proportional to 5,787.05, 8,680.58 and 1,404.51 is: 2,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.05 : 8,680.58 = 1,404.51 : x
  2. Step 2: Convert to fraction form
    5,787.05/8,680.58 = 1,404.51/x
  3. Step 3: Cross multiply
    5,787.05x = 8,680.58 × 1,404.51
  4. Step 4: Simplify right side
    5,787.05x = 12,192,008.25
  5. Step 5: Solve for x
    x = 12,192,008.25/5,787.05
  6. Step 6: Final answer
    x = 2,106.77

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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.