Home / 5,787.06-8,638.70-5,086.44

Finding the Fourth Proportional to 5,787.06, 8,638.70 and 5,086.44

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Solution

The fourth proportional to 5,787.06, 8,638.70 and 5,086.44 is: 7,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.06 : 8,638.70 = 5,086.44 : x
  2. Step 2: Convert to fraction form
    5,787.06/8,638.70 = 5,086.44/x
  3. Step 3: Cross multiply
    5,787.06x = 8,638.70 × 5,086.44
  4. Step 4: Simplify right side
    5,787.06x = 43,940,203.80
  5. Step 5: Solve for x
    x = 43,940,203.80/5,787.06
  6. Step 6: Final answer
    x = 7,592.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.