Home / 4,717.20-7,077.75-2,083.32

Finding the Fourth Proportional to 4,717.20, 7,077.75 and 2,083.32

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Solution

The fourth proportional to 4,717.20, 7,077.75 and 2,083.32 is: 3,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.20 : 7,077.75 = 2,083.32 : x
  2. Step 2: Convert to fraction form
    4,717.20/7,077.75 = 2,083.32/x
  3. Step 3: Cross multiply
    4,717.20x = 7,077.75 × 2,083.32
  4. Step 4: Simplify right side
    4,717.20x = 14,745,210.32
  5. Step 5: Solve for x
    x = 14,745,210.32/4,717.20
  6. Step 6: Final answer
    x = 3,125.84

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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.