Home / 4,174.92-5,765.22-2,686.32

Finding the Fourth Proportional to 4,174.92, 5,765.22 and 2,686.32

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Solution

The fourth proportional to 4,174.92, 5,765.22 and 2,686.32 is: 3,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.92 : 5,765.22 = 2,686.32 : x
  2. Step 2: Convert to fraction form
    4,174.92/5,765.22 = 2,686.32/x
  3. Step 3: Cross multiply
    4,174.92x = 5,765.22 × 2,686.32
  4. Step 4: Simplify right side
    4,174.92x = 15,487,225.79
  5. Step 5: Solve for x
    x = 15,487,225.79/4,174.92
  6. Step 6: Final answer
    x = 3,709.59

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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.