Home / 3,836.16-5,296.32-2,656.80

Finding the Fourth Proportional to 3,836.16, 5,296.32 and 2,656.80

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Solution

The fourth proportional to 3,836.16, 5,296.32 and 2,656.80 is: 3,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.16 : 5,296.32 = 2,656.80 : x
  2. Step 2: Convert to fraction form
    3,836.16/5,296.32 = 2,656.80/x
  3. Step 3: Cross multiply
    3,836.16x = 5,296.32 × 2,656.80
  4. Step 4: Simplify right side
    3,836.16x = 14,071,262.98
  5. Step 5: Solve for x
    x = 14,071,262.98/3,836.16
  6. Step 6: Final answer
    x = 3,668.06

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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.