Home / 4,157.16-5,736.80-2,268.78

Finding the Fourth Proportional to 4,157.16, 5,736.80 and 2,268.78

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Solution

The fourth proportional to 4,157.16, 5,736.80 and 2,268.78 is: 3,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.16 : 5,736.80 = 2,268.78 : x
  2. Step 2: Convert to fraction form
    4,157.16/5,736.80 = 2,268.78/x
  3. Step 3: Cross multiply
    4,157.16x = 5,736.80 × 2,268.78
  4. Step 4: Simplify right side
    4,157.16x = 13,015,525.76
  5. Step 5: Solve for x
    x = 13,015,525.76/4,157.16
  6. Step 6: Final answer
    x = 3,130.87

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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.