Home / 4,654.28-6,979.62-1,731.92

Finding the Fourth Proportional to 4,654.28, 6,979.62 and 1,731.92

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Solution

The fourth proportional to 4,654.28, 6,979.62 and 1,731.92 is: 2,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.28 : 6,979.62 = 1,731.92 : x
  2. Step 2: Convert to fraction form
    4,654.28/6,979.62 = 1,731.92/x
  3. Step 3: Cross multiply
    4,654.28x = 6,979.62 × 1,731.92
  4. Step 4: Simplify right side
    4,654.28x = 12,088,143.47
  5. Step 5: Solve for x
    x = 12,088,143.47/4,654.28
  6. Step 6: Final answer
    x = 2,597.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.