Home / 4,191.24-5,779.14-2,676.76

Finding the Fourth Proportional to 4,191.24, 5,779.14 and 2,676.76

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Solution

The fourth proportional to 4,191.24, 5,779.14 and 2,676.76 is: 3,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.24 : 5,779.14 = 2,676.76 : x
  2. Step 2: Convert to fraction form
    4,191.24/5,779.14 = 2,676.76/x
  3. Step 3: Cross multiply
    4,191.24x = 5,779.14 × 2,676.76
  4. Step 4: Simplify right side
    4,191.24x = 15,469,370.79
  5. Step 5: Solve for x
    x = 15,469,370.79/4,191.24
  6. Step 6: Final answer
    x = 3,690.88

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Half scale
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Double scale
Find fourth proportional to 4,192.24, 5,780.52 and 2,677.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.