Home / 4,730.74-7,086.39-3,689.62

Finding the Fourth Proportional to 4,730.74, 7,086.39 and 3,689.62

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Solution

The fourth proportional to 4,730.74, 7,086.39 and 3,689.62 is: 5,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,730.74 : 7,086.39 = 3,689.62 : x
  2. Step 2: Convert to fraction form
    4,730.74/7,086.39 = 3,689.62/x
  3. Step 3: Cross multiply
    4,730.74x = 7,086.39 × 3,689.62
  4. Step 4: Simplify right side
    4,730.74x = 26,146,086.27
  5. Step 5: Solve for x
    x = 26,146,086.27/4,730.74
  6. Step 6: Final answer
    x = 5,526.85

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1.5x scale

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.