Home / 2,719.72-4,071.48-2,673.28

Finding the Fourth Proportional to 2,719.72, 4,071.48 and 2,673.28

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Solution

The fourth proportional to 2,719.72, 4,071.48 and 2,673.28 is: 4,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.72 : 4,071.48 = 2,673.28 : x
  2. Step 2: Convert to fraction form
    2,719.72/4,071.48 = 2,673.28/x
  3. Step 3: Cross multiply
    2,719.72x = 4,071.48 × 2,673.28
  4. Step 4: Simplify right side
    2,719.72x = 10,884,206.05
  5. Step 5: Solve for x
    x = 10,884,206.05/2,719.72
  6. Step 6: Final answer
    x = 4,001.96

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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.