Home / 5,719.36-8,580.96-2,254.72

Finding the Fourth Proportional to 5,719.36, 8,580.96 and 2,254.72

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Solution

The fourth proportional to 5,719.36, 8,580.96 and 2,254.72 is: 3,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.36 : 8,580.96 = 2,254.72 : x
  2. Step 2: Convert to fraction form
    5,719.36/8,580.96 = 2,254.72/x
  3. Step 3: Cross multiply
    5,719.36x = 8,580.96 × 2,254.72
  4. Step 4: Simplify right side
    5,719.36x = 19,347,662.13
  5. Step 5: Solve for x
    x = 19,347,662.13/5,719.36
  6. Step 6: Final answer
    x = 3,382.84

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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.