Home / 4,007.96-5,530.71-2,215.37

Finding the Fourth Proportional to 4,007.96, 5,530.71 and 2,215.37

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Solution

The fourth proportional to 4,007.96, 5,530.71 and 2,215.37 is: 3,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.96 : 5,530.71 = 2,215.37 : x
  2. Step 2: Convert to fraction form
    4,007.96/5,530.71 = 2,215.37/x
  3. Step 3: Cross multiply
    4,007.96x = 5,530.71 × 2,215.37
  4. Step 4: Simplify right side
    4,007.96x = 12,252,541.36
  5. Step 5: Solve for x
    x = 12,252,541.36/4,007.96
  6. Step 6: Final answer
    x = 3,057.06

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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.