Home / 5,226.84-7,212.56-3,102

Finding the Fourth Proportional to 5,226.84, 7,212.56 and 3,102

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Solution

The fourth proportional to 5,226.84, 7,212.56 and 3,102 is: 4,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.84 : 7,212.56 = 3,102 : x
  2. Step 2: Convert to fraction form
    5,226.84/7,212.56 = 3,102/x
  3. Step 3: Cross multiply
    5,226.84x = 7,212.56 × 3,102
  4. Step 4: Simplify right side
    5,226.84x = 22,373,345.61
  5. Step 5: Solve for x
    x = 22,373,345.61/5,226.84
  6. Step 6: Final answer
    x = 4,280.47

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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.