Home / 5,785.48-8,678.63-2,863

Finding the Fourth Proportional to 5,785.48, 8,678.63 and 2,863

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Solution

The fourth proportional to 5,785.48, 8,678.63 and 2,863 is: 4,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.48 : 8,678.63 = 2,863 : x
  2. Step 2: Convert to fraction form
    5,785.48/8,678.63 = 2,863/x
  3. Step 3: Cross multiply
    5,785.48x = 8,678.63 × 2,863
  4. Step 4: Simplify right side
    5,785.48x = 24,846,917.69
  5. Step 5: Solve for x
    x = 24,846,917.69/5,785.48
  6. Step 6: Final answer
    x = 4,294.70

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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.