Home / 5,085.16-7,619.40-3,133.24

Finding the Fourth Proportional to 5,085.16, 7,619.40 and 3,133.24

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Solution

The fourth proportional to 5,085.16, 7,619.40 and 3,133.24 is: 4,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.16 : 7,619.40 = 3,133.24 : x
  2. Step 2: Convert to fraction form
    5,085.16/7,619.40 = 3,133.24/x
  3. Step 3: Cross multiply
    5,085.16x = 7,619.40 × 3,133.24
  4. Step 4: Simplify right side
    5,085.16x = 23,873,408.86
  5. Step 5: Solve for x
    x = 23,873,408.86/5,085.16
  6. Step 6: Final answer
    x = 4,694.72

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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.