Home / 4,971.64-6,861.02-2,733.72

Finding the Fourth Proportional to 4,971.64, 6,861.02 and 2,733.72

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Solution

The fourth proportional to 4,971.64, 6,861.02 and 2,733.72 is: 3,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.64 : 6,861.02 = 2,733.72 : x
  2. Step 2: Convert to fraction form
    4,971.64/6,861.02 = 2,733.72/x
  3. Step 3: Cross multiply
    4,971.64x = 6,861.02 × 2,733.72
  4. Step 4: Simplify right side
    4,971.64x = 18,756,107.59
  5. Step 5: Solve for x
    x = 18,756,107.59/4,971.64
  6. Step 6: Final answer
    x = 3,772.62

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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.