Home / 4,176.72-5,763.86-2,288.31

Finding the Fourth Proportional to 4,176.72, 5,763.86 and 2,288.31

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Solution

The fourth proportional to 4,176.72, 5,763.86 and 2,288.31 is: 3,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.72 : 5,763.86 = 2,288.31 : x
  2. Step 2: Convert to fraction form
    4,176.72/5,763.86 = 2,288.31/x
  3. Step 3: Cross multiply
    4,176.72x = 5,763.86 × 2,288.31
  4. Step 4: Simplify right side
    4,176.72x = 13,189,486.87
  5. Step 5: Solve for x
    x = 13,189,486.87/4,176.72
  6. Step 6: Final answer
    x = 3,157.86

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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.