Home / 4,826.12-7,240.80-1,539.68

Finding the Fourth Proportional to 4,826.12, 7,240.80 and 1,539.68

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Solution

The fourth proportional to 4,826.12, 7,240.80 and 1,539.68 is: 2,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.12 : 7,240.80 = 1,539.68 : x
  2. Step 2: Convert to fraction form
    4,826.12/7,240.80 = 1,539.68/x
  3. Step 3: Cross multiply
    4,826.12x = 7,240.80 × 1,539.68
  4. Step 4: Simplify right side
    4,826.12x = 11,148,514.94
  5. Step 5: Solve for x
    x = 11,148,514.94/4,826.12
  6. Step 6: Final answer
    x = 2,310.04

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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.