Home / 5,192.90-7,783.46-1,859.61

Finding the Fourth Proportional to 5,192.90, 7,783.46 and 1,859.61

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Solution

The fourth proportional to 5,192.90, 7,783.46 and 1,859.61 is: 2,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.90 : 7,783.46 = 1,859.61 : x
  2. Step 2: Convert to fraction form
    5,192.90/7,783.46 = 1,859.61/x
  3. Step 3: Cross multiply
    5,192.90x = 7,783.46 × 1,859.61
  4. Step 4: Simplify right side
    5,192.90x = 14,474,200.05
  5. Step 5: Solve for x
    x = 14,474,200.05/5,192.90
  6. Step 6: Final answer
    x = 2,787.31

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1.5x scale

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.