Home / 5,470.30-8,206.02-1,772.38

Finding the Fourth Proportional to 5,470.30, 8,206.02 and 1,772.38

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Solution

The fourth proportional to 5,470.30, 8,206.02 and 1,772.38 is: 2,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.30 : 8,206.02 = 1,772.38 : x
  2. Step 2: Convert to fraction form
    5,470.30/8,206.02 = 1,772.38/x
  3. Step 3: Cross multiply
    5,470.30x = 8,206.02 × 1,772.38
  4. Step 4: Simplify right side
    5,470.30x = 14,544,185.73
  5. Step 5: Solve for x
    x = 14,544,185.73/5,470.30
  6. Step 6: Final answer
    x = 2,658.75

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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.