Home / 5,536.42-7,639.62-3,298.39

Finding the Fourth Proportional to 5,536.42, 7,639.62 and 3,298.39

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Solution

The fourth proportional to 5,536.42, 7,639.62 and 3,298.39 is: 4,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.42 : 7,639.62 = 3,298.39 : x
  2. Step 2: Convert to fraction form
    5,536.42/7,639.62 = 3,298.39/x
  3. Step 3: Cross multiply
    5,536.42x = 7,639.62 × 3,298.39
  4. Step 4: Simplify right side
    5,536.42x = 25,198,414.74
  5. Step 5: Solve for x
    x = 25,198,414.74/5,536.42
  6. Step 6: Final answer
    x = 4,551.39

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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.