Home / 2,720.33-4,079.41-1,470.32

Finding the Fourth Proportional to 2,720.33, 4,079.41 and 1,470.32

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Solution

The fourth proportional to 2,720.33, 4,079.41 and 1,470.32 is: 2,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.33 : 4,079.41 = 1,470.32 : x
  2. Step 2: Convert to fraction form
    2,720.33/4,079.41 = 1,470.32/x
  3. Step 3: Cross multiply
    2,720.33x = 4,079.41 × 1,470.32
  4. Step 4: Simplify right side
    2,720.33x = 5,998,044.63
  5. Step 5: Solve for x
    x = 5,998,044.63/2,720.33
  6. Step 6: Final answer
    x = 2,204.90

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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.