Home / 2,179.14-3,006.60-1,470.99

Finding the Fourth Proportional to 2,179.14, 3,006.60 and 1,470.99

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Solution

The fourth proportional to 2,179.14, 3,006.60 and 1,470.99 is: 2,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.14 : 3,006.60 = 1,470.99 : x
  2. Step 2: Convert to fraction form
    2,179.14/3,006.60 = 1,470.99/x
  3. Step 3: Cross multiply
    2,179.14x = 3,006.60 × 1,470.99
  4. Step 4: Simplify right side
    2,179.14x = 4,422,678.53
  5. Step 5: Solve for x
    x = 4,422,678.53/2,179.14
  6. Step 6: Final answer
    x = 2,029.55

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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.