Home / 4,690.38-7,033.51-2,225.90

Finding the Fourth Proportional to 4,690.38, 7,033.51 and 2,225.90

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Solution

The fourth proportional to 4,690.38, 7,033.51 and 2,225.90 is: 3,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.38 : 7,033.51 = 2,225.90 : x
  2. Step 2: Convert to fraction form
    4,690.38/7,033.51 = 2,225.90/x
  3. Step 3: Cross multiply
    4,690.38x = 7,033.51 × 2,225.90
  4. Step 4: Simplify right side
    4,690.38x = 15,655,889.91
  5. Step 5: Solve for x
    x = 15,655,889.91/4,690.38
  6. Step 6: Final answer
    x = 3,337.87

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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.