Home / 5,396.67-7,447.20-3,006.58

Finding the Fourth Proportional to 5,396.67, 7,447.20 and 3,006.58

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Solution

The fourth proportional to 5,396.67, 7,447.20 and 3,006.58 is: 4,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.67 : 7,447.20 = 3,006.58 : x
  2. Step 2: Convert to fraction form
    5,396.67/7,447.20 = 3,006.58/x
  3. Step 3: Cross multiply
    5,396.67x = 7,447.20 × 3,006.58
  4. Step 4: Simplify right side
    5,396.67x = 22,390,587.54
  5. Step 5: Solve for x
    x = 22,390,587.54/5,396.67
  6. Step 6: Final answer
    x = 4,148.97

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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.