Home / 4,687.04-6,469.80-2,825.12

Finding the Fourth Proportional to 4,687.04, 6,469.80 and 2,825.12

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Solution

The fourth proportional to 4,687.04, 6,469.80 and 2,825.12 is: 3,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.04 : 6,469.80 = 2,825.12 : x
  2. Step 2: Convert to fraction form
    4,687.04/6,469.80 = 2,825.12/x
  3. Step 3: Cross multiply
    4,687.04x = 6,469.80 × 2,825.12
  4. Step 4: Simplify right side
    4,687.04x = 18,277,961.38
  5. Step 5: Solve for x
    x = 18,277,961.38/4,687.04
  6. Step 6: Final answer
    x = 3,899.68

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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.