Home / 4,129.74-5,698.67-2,450.86

Finding the Fourth Proportional to 4,129.74, 5,698.67 and 2,450.86

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Solution

The fourth proportional to 4,129.74, 5,698.67 and 2,450.86 is: 3,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.74 : 5,698.67 = 2,450.86 : x
  2. Step 2: Convert to fraction form
    4,129.74/5,698.67 = 2,450.86/x
  3. Step 3: Cross multiply
    4,129.74x = 5,698.67 × 2,450.86
  4. Step 4: Simplify right side
    4,129.74x = 13,966,615.86
  5. Step 5: Solve for x
    x = 13,966,615.86/4,129.74
  6. Step 6: Final answer
    x = 3,381.96

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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.