Home / 4,157.40-5,735.70-3,716.76

Finding the Fourth Proportional to 4,157.40, 5,735.70 and 3,716.76

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Solution

The fourth proportional to 4,157.40, 5,735.70 and 3,716.76 is: 5,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.40 : 5,735.70 = 3,716.76 : x
  2. Step 2: Convert to fraction form
    4,157.40/5,735.70 = 3,716.76/x
  3. Step 3: Cross multiply
    4,157.40x = 5,735.70 × 3,716.76
  4. Step 4: Simplify right side
    4,157.40x = 21,318,220.33
  5. Step 5: Solve for x
    x = 21,318,220.33/4,157.40
  6. Step 6: Final answer
    x = 5,127.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.