Home / 5,947.54-8,921.32-1,787.58

Finding the Fourth Proportional to 5,947.54, 8,921.32 and 1,787.58

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Solution

The fourth proportional to 5,947.54, 8,921.32 and 1,787.58 is: 2,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.54 : 8,921.32 = 1,787.58 : x
  2. Step 2: Convert to fraction form
    5,947.54/8,921.32 = 1,787.58/x
  3. Step 3: Cross multiply
    5,947.54x = 8,921.32 × 1,787.58
  4. Step 4: Simplify right side
    5,947.54x = 15,947,568.74
  5. Step 5: Solve for x
    x = 15,947,568.74/5,947.54
  6. Step 6: Final answer
    x = 2,681.37

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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.