Home / 4,687.74-6,469.86-2,697.92

Finding the Fourth Proportional to 4,687.74, 6,469.86 and 2,697.92

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Solution

The fourth proportional to 4,687.74, 6,469.86 and 2,697.92 is: 3,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.74 : 6,469.86 = 2,697.92 : x
  2. Step 2: Convert to fraction form
    4,687.74/6,469.86 = 2,697.92/x
  3. Step 3: Cross multiply
    4,687.74x = 6,469.86 × 2,697.92
  4. Step 4: Simplify right side
    4,687.74x = 17,455,166.72
  5. Step 5: Solve for x
    x = 17,455,166.72/4,687.74
  6. Step 6: Final answer
    x = 3,723.58

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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.