Home / 3,395.12-4,686.26-2,216.36

Finding the Fourth Proportional to 3,395.12, 4,686.26 and 2,216.36

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Solution

The fourth proportional to 3,395.12, 4,686.26 and 2,216.36 is: 3,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.12 : 4,686.26 = 2,216.36 : x
  2. Step 2: Convert to fraction form
    3,395.12/4,686.26 = 2,216.36/x
  3. Step 3: Cross multiply
    3,395.12x = 4,686.26 × 2,216.36
  4. Step 4: Simplify right side
    3,395.12x = 10,386,439.85
  5. Step 5: Solve for x
    x = 10,386,439.85/3,395.12
  6. Step 6: Final answer
    x = 3,059.23

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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.