Home / 2,927.24-4,037.74-2,042.72

Finding the Fourth Proportional to 2,927.24, 4,037.74 and 2,042.72

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Solution

The fourth proportional to 2,927.24, 4,037.74 and 2,042.72 is: 2,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.24 : 4,037.74 = 2,042.72 : x
  2. Step 2: Convert to fraction form
    2,927.24/4,037.74 = 2,042.72/x
  3. Step 3: Cross multiply
    2,927.24x = 4,037.74 × 2,042.72
  4. Step 4: Simplify right side
    2,927.24x = 8,247,946.96
  5. Step 5: Solve for x
    x = 8,247,946.96/2,927.24
  6. Step 6: Final answer
    x = 2,817.66

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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.