Home / 5,948.72-8,920.41-1,787.34

Finding the Fourth Proportional to 5,948.72, 8,920.41 and 1,787.34

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Solution

The fourth proportional to 5,948.72, 8,920.41 and 1,787.34 is: 2,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,948.72 : 8,920.41 = 1,787.34 : x
  2. Step 2: Convert to fraction form
    5,948.72/8,920.41 = 1,787.34/x
  3. Step 3: Cross multiply
    5,948.72x = 8,920.41 × 1,787.34
  4. Step 4: Simplify right side
    5,948.72x = 15,943,805.61
  5. Step 5: Solve for x
    x = 15,943,805.61/5,948.72
  6. Step 6: Final answer
    x = 2,680.21

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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.