Home / 4,160.72-5,741.80-2,272.32

Finding the Fourth Proportional to 4,160.72, 5,741.80 and 2,272.32

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Solution

The fourth proportional to 4,160.72, 5,741.80 and 2,272.32 is: 3,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.72 : 5,741.80 = 2,272.32 : x
  2. Step 2: Convert to fraction form
    4,160.72/5,741.80 = 2,272.32/x
  3. Step 3: Cross multiply
    4,160.72x = 5,741.80 × 2,272.32
  4. Step 4: Simplify right side
    4,160.72x = 13,047,206.98
  5. Step 5: Solve for x
    x = 13,047,206.98/4,160.72
  6. Step 6: Final answer
    x = 3,135.81

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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.