Home / 4,271.74-5,891.30-2,779.10

Finding the Fourth Proportional to 4,271.74, 5,891.30 and 2,779.10

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Solution

The fourth proportional to 4,271.74, 5,891.30 and 2,779.10 is: 3,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.74 : 5,891.30 = 2,779.10 : x
  2. Step 2: Convert to fraction form
    4,271.74/5,891.30 = 2,779.10/x
  3. Step 3: Cross multiply
    4,271.74x = 5,891.30 × 2,779.10
  4. Step 4: Simplify right side
    4,271.74x = 16,372,511.83
  5. Step 5: Solve for x
    x = 16,372,511.83/4,271.74
  6. Step 6: Final answer
    x = 3,832.75

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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.