Home / 5,909.68-8,859.02-2,620.96

Finding the Fourth Proportional to 5,909.68, 8,859.02 and 2,620.96

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Solution

The fourth proportional to 5,909.68, 8,859.02 and 2,620.96 is: 3,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.68 : 8,859.02 = 2,620.96 : x
  2. Step 2: Convert to fraction form
    5,909.68/8,859.02 = 2,620.96/x
  3. Step 3: Cross multiply
    5,909.68x = 8,859.02 × 2,620.96
  4. Step 4: Simplify right side
    5,909.68x = 23,219,137.06
  5. Step 5: Solve for x
    x = 23,219,137.06/5,909.68
  6. Step 6: Final answer
    x = 3,929.00

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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.