Home / 2,475.21-3,712.86-1,176.42

Finding the Fourth Proportional to 2,475.21, 3,712.86 and 1,176.42

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Solution

The fourth proportional to 2,475.21, 3,712.86 and 1,176.42 is: 1,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.21 : 3,712.86 = 1,176.42 : x
  2. Step 2: Convert to fraction form
    2,475.21/3,712.86 = 1,176.42/x
  3. Step 3: Cross multiply
    2,475.21x = 3,712.86 × 1,176.42
  4. Step 4: Simplify right side
    2,475.21x = 4,367,882.76
  5. Step 5: Solve for x
    x = 4,367,882.76/2,475.21
  6. Step 6: Final answer
    x = 1,764.65

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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.