Home / 5,536.85-7,640.88-3,298.28

Finding the Fourth Proportional to 5,536.85, 7,640.88 and 3,298.28

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Solution

The fourth proportional to 5,536.85, 7,640.88 and 3,298.28 is: 4,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.85 : 7,640.88 = 3,298.28 : x
  2. Step 2: Convert to fraction form
    5,536.85/7,640.88 = 3,298.28/x
  3. Step 3: Cross multiply
    5,536.85x = 7,640.88 × 3,298.28
  4. Step 4: Simplify right side
    5,536.85x = 25,201,761.69
  5. Step 5: Solve for x
    x = 25,201,761.69/5,536.85
  6. Step 6: Final answer
    x = 4,551.64

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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.