Home / 5,536.36-7,635.48-4,678.21

Finding the Fourth Proportional to 5,536.36, 7,635.48 and 4,678.21

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Solution

The fourth proportional to 5,536.36, 7,635.48 and 4,678.21 is: 6,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.36 : 7,635.48 = 4,678.21 : x
  2. Step 2: Convert to fraction form
    5,536.36/7,635.48 = 4,678.21/x
  3. Step 3: Cross multiply
    5,536.36x = 7,635.48 × 4,678.21
  4. Step 4: Simplify right side
    5,536.36x = 35,720,375.28
  5. Step 5: Solve for x
    x = 35,720,375.28/5,536.36
  6. Step 6: Final answer
    x = 6,451.96

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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.