Home / 4,974.59-6,861.42-4,223.38

Finding the Fourth Proportional to 4,974.59, 6,861.42 and 4,223.38

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Solution

The fourth proportional to 4,974.59, 6,861.42 and 4,223.38 is: 5,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.59 : 6,861.42 = 4,223.38 : x
  2. Step 2: Convert to fraction form
    4,974.59/6,861.42 = 4,223.38/x
  3. Step 3: Cross multiply
    4,974.59x = 6,861.42 × 4,223.38
  4. Step 4: Simplify right side
    4,974.59x = 28,978,384.00
  5. Step 5: Solve for x
    x = 28,978,384.00/4,974.59
  6. Step 6: Final answer
    x = 5,825.28

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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.