Home / 4,166.72-5,749.15-2,487.86

Finding the Fourth Proportional to 4,166.72, 5,749.15 and 2,487.86

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Solution

The fourth proportional to 4,166.72, 5,749.15 and 2,487.86 is: 3,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.72 : 5,749.15 = 2,487.86 : x
  2. Step 2: Convert to fraction form
    4,166.72/5,749.15 = 2,487.86/x
  3. Step 3: Cross multiply
    4,166.72x = 5,749.15 × 2,487.86
  4. Step 4: Simplify right side
    4,166.72x = 14,303,110.91
  5. Step 5: Solve for x
    x = 14,303,110.91/4,166.72
  6. Step 6: Final answer
    x = 3,432.71

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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.