Home / 3,216.24-4,435.56-2,718.36

Finding the Fourth Proportional to 3,216.24, 4,435.56 and 2,718.36

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Solution

The fourth proportional to 3,216.24, 4,435.56 and 2,718.36 is: 3,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.24 : 4,435.56 = 2,718.36 : x
  2. Step 2: Convert to fraction form
    3,216.24/4,435.56 = 2,718.36/x
  3. Step 3: Cross multiply
    3,216.24x = 4,435.56 × 2,718.36
  4. Step 4: Simplify right side
    3,216.24x = 12,057,448.88
  5. Step 5: Solve for x
    x = 12,057,448.88/3,216.24
  6. Step 6: Final answer
    x = 3,748.93

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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.