Home / 5,785.13-8,678.10-2,322.38

Finding the Fourth Proportional to 5,785.13, 8,678.10 and 2,322.38

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Solution

The fourth proportional to 5,785.13, 8,678.10 and 2,322.38 is: 3,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.13 : 8,678.10 = 2,322.38 : x
  2. Step 2: Convert to fraction form
    5,785.13/8,678.10 = 2,322.38/x
  3. Step 3: Cross multiply
    5,785.13x = 8,678.10 × 2,322.38
  4. Step 4: Simplify right side
    5,785.13x = 20,153,845.88
  5. Step 5: Solve for x
    x = 20,153,845.88/5,785.13
  6. Step 6: Final answer
    x = 3,483.73

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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.