Home / 5,519.54-7,617.66-3,423.98

Finding the Fourth Proportional to 5,519.54, 7,617.66 and 3,423.98

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Solution

The fourth proportional to 5,519.54, 7,617.66 and 3,423.98 is: 4,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.54 : 7,617.66 = 3,423.98 : x
  2. Step 2: Convert to fraction form
    5,519.54/7,617.66 = 3,423.98/x
  3. Step 3: Cross multiply
    5,519.54x = 7,617.66 × 3,423.98
  4. Step 4: Simplify right side
    5,519.54x = 26,082,715.49
  5. Step 5: Solve for x
    x = 26,082,715.49/5,519.54
  6. Step 6: Final answer
    x = 4,725.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.