Home / 4,107.68-6,162.64-2,159.36

Finding the Fourth Proportional to 4,107.68, 6,162.64 and 2,159.36

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Solution

The fourth proportional to 4,107.68, 6,162.64 and 2,159.36 is: 3,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.68 : 6,162.64 = 2,159.36 : x
  2. Step 2: Convert to fraction form
    4,107.68/6,162.64 = 2,159.36/x
  3. Step 3: Cross multiply
    4,107.68x = 6,162.64 × 2,159.36
  4. Step 4: Simplify right side
    4,107.68x = 13,307,358.31
  5. Step 5: Solve for x
    x = 13,307,358.31/4,107.68
  6. Step 6: Final answer
    x = 3,239.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.