Home / 5,183.60-7,773.16-1,719.28

Finding the Fourth Proportional to 5,183.60, 7,773.16 and 1,719.28

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Solution

The fourth proportional to 5,183.60, 7,773.16 and 1,719.28 is: 2,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.60 : 7,773.16 = 1,719.28 : x
  2. Step 2: Convert to fraction form
    5,183.60/7,773.16 = 1,719.28/x
  3. Step 3: Cross multiply
    5,183.60x = 7,773.16 × 1,719.28
  4. Step 4: Simplify right side
    5,183.60x = 13,364,238.52
  5. Step 5: Solve for x
    x = 13,364,238.52/5,183.60
  6. Step 6: Final answer
    x = 2,578.18

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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.