Home / 2,927.28-4,038.83-1,747.92

Finding the Fourth Proportional to 2,927.28, 4,038.83 and 1,747.92

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Solution

The fourth proportional to 2,927.28, 4,038.83 and 1,747.92 is: 2,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.28 : 4,038.83 = 1,747.92 : x
  2. Step 2: Convert to fraction form
    2,927.28/4,038.83 = 1,747.92/x
  3. Step 3: Cross multiply
    2,927.28x = 4,038.83 × 1,747.92
  4. Step 4: Simplify right side
    2,927.28x = 7,059,551.73
  5. Step 5: Solve for x
    x = 7,059,551.73/2,927.28
  6. Step 6: Final answer
    x = 2,411.64

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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.