Home / 5,124.30-7,690.05-2,204.70

Finding the Fourth Proportional to 5,124.30, 7,690.05 and 2,204.70

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Solution

The fourth proportional to 5,124.30, 7,690.05 and 2,204.70 is: 3,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.30 : 7,690.05 = 2,204.70 : x
  2. Step 2: Convert to fraction form
    5,124.30/7,690.05 = 2,204.70/x
  3. Step 3: Cross multiply
    5,124.30x = 7,690.05 × 2,204.70
  4. Step 4: Simplify right side
    5,124.30x = 16,954,253.24
  5. Step 5: Solve for x
    x = 16,954,253.24/5,124.30
  6. Step 6: Final answer
    x = 3,308.60

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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.