Home / 5,910.96-8,869.20-2,400.72

Finding the Fourth Proportional to 5,910.96, 8,869.20 and 2,400.72

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Solution

The fourth proportional to 5,910.96, 8,869.20 and 2,400.72 is: 3,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.96 : 8,869.20 = 2,400.72 : x
  2. Step 2: Convert to fraction form
    5,910.96/8,869.20 = 2,400.72/x
  3. Step 3: Cross multiply
    5,910.96x = 8,869.20 × 2,400.72
  4. Step 4: Simplify right side
    5,910.96x = 21,292,465.82
  5. Step 5: Solve for x
    x = 21,292,465.82/5,910.96
  6. Step 6: Final answer
    x = 3,602.20

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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.