Home / 4,785.05-7,174.64-1,859.95

Finding the Fourth Proportional to 4,785.05, 7,174.64 and 1,859.95

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Solution

The fourth proportional to 4,785.05, 7,174.64 and 1,859.95 is: 2,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.05 : 7,174.64 = 1,859.95 : x
  2. Step 2: Convert to fraction form
    4,785.05/7,174.64 = 1,859.95/x
  3. Step 3: Cross multiply
    4,785.05x = 7,174.64 × 1,859.95
  4. Step 4: Simplify right side
    4,785.05x = 13,344,426.50
  5. Step 5: Solve for x
    x = 13,344,426.50/4,785.05
  6. Step 6: Final answer
    x = 2,788.77

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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.