Home / 3,829.91-5,281.39-3,606.68

Finding the Fourth Proportional to 3,829.91, 5,281.39 and 3,606.68

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Solution

The fourth proportional to 3,829.91, 5,281.39 and 3,606.68 is: 4,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.91 : 5,281.39 = 3,606.68 : x
  2. Step 2: Convert to fraction form
    3,829.91/5,281.39 = 3,606.68/x
  3. Step 3: Cross multiply
    3,829.91x = 5,281.39 × 3,606.68
  4. Step 4: Simplify right side
    3,829.91x = 19,048,283.69
  5. Step 5: Solve for x
    x = 19,048,283.69/3,829.91
  6. Step 6: Final answer
    x = 4,973.56

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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.