Home / 5,233.05-7,221.28-4,815.09

Finding the Fourth Proportional to 5,233.05, 7,221.28 and 4,815.09

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Solution

The fourth proportional to 5,233.05, 7,221.28 and 4,815.09 is: 6,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.05 : 7,221.28 = 4,815.09 : x
  2. Step 2: Convert to fraction form
    5,233.05/7,221.28 = 4,815.09/x
  3. Step 3: Cross multiply
    5,233.05x = 7,221.28 × 4,815.09
  4. Step 4: Simplify right side
    5,233.05x = 34,771,113.12
  5. Step 5: Solve for x
    x = 34,771,113.12/5,233.05
  6. Step 6: Final answer
    x = 6,644.52

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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.