Home / 5,765.18-8,644.92-1,869.08

Finding the Fourth Proportional to 5,765.18, 8,644.92 and 1,869.08

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Solution

The fourth proportional to 5,765.18, 8,644.92 and 1,869.08 is: 2,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.18 : 8,644.92 = 1,869.08 : x
  2. Step 2: Convert to fraction form
    5,765.18/8,644.92 = 1,869.08/x
  3. Step 3: Cross multiply
    5,765.18x = 8,644.92 × 1,869.08
  4. Step 4: Simplify right side
    5,765.18x = 16,158,003.85
  5. Step 5: Solve for x
    x = 16,158,003.85/5,765.18
  6. Step 6: Final answer
    x = 2,802.69

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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.