Home / 4,145.64-5,720.97-2,282.64

Finding the Fourth Proportional to 4,145.64, 5,720.97 and 2,282.64

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Solution

The fourth proportional to 4,145.64, 5,720.97 and 2,282.64 is: 3,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.64 : 5,720.97 = 2,282.64 : x
  2. Step 2: Convert to fraction form
    4,145.64/5,720.97 = 2,282.64/x
  3. Step 3: Cross multiply
    4,145.64x = 5,720.97 × 2,282.64
  4. Step 4: Simplify right side
    4,145.64x = 13,058,914.96
  5. Step 5: Solve for x
    x = 13,058,914.96/4,145.64
  6. Step 6: Final answer
    x = 3,150.04

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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.