Home / 4,086.36-5,637.06-2,828.60

Finding the Fourth Proportional to 4,086.36, 5,637.06 and 2,828.60

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Solution

The fourth proportional to 4,086.36, 5,637.06 and 2,828.60 is: 3,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.36 : 5,637.06 = 2,828.60 : x
  2. Step 2: Convert to fraction form
    4,086.36/5,637.06 = 2,828.60/x
  3. Step 3: Cross multiply
    4,086.36x = 5,637.06 × 2,828.60
  4. Step 4: Simplify right side
    4,086.36x = 15,944,987.92
  5. Step 5: Solve for x
    x = 15,944,987.92/4,086.36
  6. Step 6: Final answer
    x = 3,902.00

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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.