Home / 4,478.59-6,717.43-1,192.02

Finding the Fourth Proportional to 4,478.59, 6,717.43 and 1,192.02

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Solution

The fourth proportional to 4,478.59, 6,717.43 and 1,192.02 is: 1,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.59 : 6,717.43 = 1,192.02 : x
  2. Step 2: Convert to fraction form
    4,478.59/6,717.43 = 1,192.02/x
  3. Step 3: Cross multiply
    4,478.59x = 6,717.43 × 1,192.02
  4. Step 4: Simplify right side
    4,478.59x = 8,007,287.21
  5. Step 5: Solve for x
    x = 8,007,287.21/4,478.59
  6. Step 6: Final answer
    x = 1,787.90

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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.