Home / 4,474.76-6,712.68-1,187.94

Finding the Fourth Proportional to 4,474.76, 6,712.68 and 1,187.94

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Solution

The fourth proportional to 4,474.76, 6,712.68 and 1,187.94 is: 1,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.76 : 6,712.68 = 1,187.94 : x
  2. Step 2: Convert to fraction form
    4,474.76/6,712.68 = 1,187.94/x
  3. Step 3: Cross multiply
    4,474.76x = 6,712.68 × 1,187.94
  4. Step 4: Simplify right side
    4,474.76x = 7,974,261.08
  5. Step 5: Solve for x
    x = 7,974,261.08/4,474.76
  6. Step 6: Final answer
    x = 1,782.05

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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.