Home / 3,135.24-4,328.64-2,016.66

Finding the Fourth Proportional to 3,135.24, 4,328.64 and 2,016.66

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Solution

The fourth proportional to 3,135.24, 4,328.64 and 2,016.66 is: 2,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.24 : 4,328.64 = 2,016.66 : x
  2. Step 2: Convert to fraction form
    3,135.24/4,328.64 = 2,016.66/x
  3. Step 3: Cross multiply
    3,135.24x = 4,328.64 × 2,016.66
  4. Step 4: Simplify right side
    3,135.24x = 8,729,395.14
  5. Step 5: Solve for x
    x = 8,729,395.14/3,135.24
  6. Step 6: Final answer
    x = 2,784.28

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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.