Home / 7,746.75-11,620.26-2,753.10

Finding the Fourth Proportional to 7,746.75, 11,620.26 and 2,753.10

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Solution

The fourth proportional to 7,746.75, 11,620.26 and 2,753.10 is: 4,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.75 : 11,620.26 = 2,753.10 : x
  2. Step 2: Convert to fraction form
    7,746.75/11,620.26 = 2,753.10/x
  3. Step 3: Cross multiply
    7,746.75x = 11,620.26 × 2,753.10
  4. Step 4: Simplify right side
    7,746.75x = 31,991,737.81
  5. Step 5: Solve for x
    x = 31,991,737.81/7,746.75
  6. Step 6: Final answer
    x = 4,129.70

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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.