Home / 5,157.33-7,735.98-1,870.41

Finding the Fourth Proportional to 5,157.33, 7,735.98 and 1,870.41

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Solution

The fourth proportional to 5,157.33, 7,735.98 and 1,870.41 is: 2,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.33 : 7,735.98 = 1,870.41 : x
  2. Step 2: Convert to fraction form
    5,157.33/7,735.98 = 1,870.41/x
  3. Step 3: Cross multiply
    5,157.33x = 7,735.98 × 1,870.41
  4. Step 4: Simplify right side
    5,157.33x = 14,469,454.35
  5. Step 5: Solve for x
    x = 14,469,454.35/5,157.33
  6. Step 6: Final answer
    x = 2,805.61

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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.