Home / 4,901.92-6,766.08-2,988.43

Finding the Fourth Proportional to 4,901.92, 6,766.08 and 2,988.43

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Solution

The fourth proportional to 4,901.92, 6,766.08 and 2,988.43 is: 4,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.92 : 6,766.08 = 2,988.43 : x
  2. Step 2: Convert to fraction form
    4,901.92/6,766.08 = 2,988.43/x
  3. Step 3: Cross multiply
    4,901.92x = 6,766.08 × 2,988.43
  4. Step 4: Simplify right side
    4,901.92x = 20,219,956.45
  5. Step 5: Solve for x
    x = 20,219,956.45/4,901.92
  6. Step 6: Final answer
    x = 4,124.91

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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.