Home / 5,087.28-7,607.12-3,621.99

Finding the Fourth Proportional to 5,087.28, 7,607.12 and 3,621.99

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Solution

The fourth proportional to 5,087.28, 7,607.12 and 3,621.99 is: 5,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.28 : 7,607.12 = 3,621.99 : x
  2. Step 2: Convert to fraction form
    5,087.28/7,607.12 = 3,621.99/x
  3. Step 3: Cross multiply
    5,087.28x = 7,607.12 × 3,621.99
  4. Step 4: Simplify right side
    5,087.28x = 27,552,894.46
  5. Step 5: Solve for x
    x = 27,552,894.46/5,087.28
  6. Step 6: Final answer
    x = 5,416.04

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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.