Home / 3,849.85-5,772.34-1,657.99

Finding the Fourth Proportional to 3,849.85, 5,772.34 and 1,657.99

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Solution

The fourth proportional to 3,849.85, 5,772.34 and 1,657.99 is: 2,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.85 : 5,772.34 = 1,657.99 : x
  2. Step 2: Convert to fraction form
    3,849.85/5,772.34 = 1,657.99/x
  3. Step 3: Cross multiply
    3,849.85x = 5,772.34 × 1,657.99
  4. Step 4: Simplify right side
    3,849.85x = 9,570,482.00
  5. Step 5: Solve for x
    x = 9,570,482.00/3,849.85
  6. Step 6: Final answer
    x = 2,485.94

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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.