Home / 4,785.24-7,178.58-1,707

Finding the Fourth Proportional to 4,785.24, 7,178.58 and 1,707

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Solution

The fourth proportional to 4,785.24, 7,178.58 and 1,707 is: 2,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.24 : 7,178.58 = 1,707 : x
  2. Step 2: Convert to fraction form
    4,785.24/7,178.58 = 1,707/x
  3. Step 3: Cross multiply
    4,785.24x = 7,178.58 × 1,707
  4. Step 4: Simplify right side
    4,785.24x = 12,253,836.06
  5. Step 5: Solve for x
    x = 12,253,836.06/4,785.24
  6. Step 6: Final answer
    x = 2,560.76

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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.