Home / 5,536.76-7,640.68-3,298.64

Finding the Fourth Proportional to 5,536.76, 7,640.68 and 3,298.64

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Solution

The fourth proportional to 5,536.76, 7,640.68 and 3,298.64 is: 4,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.76 : 7,640.68 = 3,298.64 : x
  2. Step 2: Convert to fraction form
    5,536.76/7,640.68 = 3,298.64/x
  3. Step 3: Cross multiply
    5,536.76x = 7,640.68 × 3,298.64
  4. Step 4: Simplify right side
    5,536.76x = 25,203,852.68
  5. Step 5: Solve for x
    x = 25,203,852.68/5,536.76
  6. Step 6: Final answer
    x = 4,552.09

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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.