Home / 3,813.36-5,260.64-2,486.56

Finding the Fourth Proportional to 3,813.36, 5,260.64 and 2,486.56

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Solution

The fourth proportional to 3,813.36, 5,260.64 and 2,486.56 is: 3,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.36 : 5,260.64 = 2,486.56 : x
  2. Step 2: Convert to fraction form
    3,813.36/5,260.64 = 2,486.56/x
  3. Step 3: Cross multiply
    3,813.36x = 5,260.64 × 2,486.56
  4. Step 4: Simplify right side
    3,813.36x = 13,080,897.00
  5. Step 5: Solve for x
    x = 13,080,897.00/3,813.36
  6. Step 6: Final answer
    x = 3,430.28

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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.