Home / 5,519.88-7,616.58-3,532.20

Finding the Fourth Proportional to 5,519.88, 7,616.58 and 3,532.20

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Solution

The fourth proportional to 5,519.88, 7,616.58 and 3,532.20 is: 4,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.88 : 7,616.58 = 3,532.20 : x
  2. Step 2: Convert to fraction form
    5,519.88/7,616.58 = 3,532.20/x
  3. Step 3: Cross multiply
    5,519.88x = 7,616.58 × 3,532.20
  4. Step 4: Simplify right side
    5,519.88x = 26,903,283.88
  5. Step 5: Solve for x
    x = 26,903,283.88/5,519.88
  6. Step 6: Final answer
    x = 4,873.89

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1.5x scale

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.