Home / 5,821.76-8,732.96-1,718.08

Finding the Fourth Proportional to 5,821.76, 8,732.96 and 1,718.08

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Solution

The fourth proportional to 5,821.76, 8,732.96 and 1,718.08 is: 2,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.76 : 8,732.96 = 1,718.08 : x
  2. Step 2: Convert to fraction form
    5,821.76/8,732.96 = 1,718.08/x
  3. Step 3: Cross multiply
    5,821.76x = 8,732.96 × 1,718.08
  4. Step 4: Simplify right side
    5,821.76x = 15,003,923.92
  5. Step 5: Solve for x
    x = 15,003,923.92/5,821.76
  6. Step 6: Final answer
    x = 2,577.21

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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.