Home / 3,315.62-4,972.37-3,097.22

Finding the Fourth Proportional to 3,315.62, 4,972.37 and 3,097.22

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Solution

The fourth proportional to 3,315.62, 4,972.37 and 3,097.22 is: 4,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.62 : 4,972.37 = 3,097.22 : x
  2. Step 2: Convert to fraction form
    3,315.62/4,972.37 = 3,097.22/x
  3. Step 3: Cross multiply
    3,315.62x = 4,972.37 × 3,097.22
  4. Step 4: Simplify right side
    3,315.62x = 15,400,483.46
  5. Step 5: Solve for x
    x = 15,400,483.46/3,315.62
  6. Step 6: Final answer
    x = 4,644.83

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1.5x scale

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.