Home / 2,956.72-4,432.65-1,177.96

Finding the Fourth Proportional to 2,956.72, 4,432.65 and 1,177.96

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Solution

The fourth proportional to 2,956.72, 4,432.65 and 1,177.96 is: 1,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.72 : 4,432.65 = 1,177.96 : x
  2. Step 2: Convert to fraction form
    2,956.72/4,432.65 = 1,177.96/x
  3. Step 3: Cross multiply
    2,956.72x = 4,432.65 × 1,177.96
  4. Step 4: Simplify right side
    2,956.72x = 5,221,484.39
  5. Step 5: Solve for x
    x = 5,221,484.39/2,956.72
  6. Step 6: Final answer
    x = 1,765.97

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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.