Home / 5,991.12-8,240.24-4,809.60

Finding the Fourth Proportional to 5,991.12, 8,240.24 and 4,809.60

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Solution

The fourth proportional to 5,991.12, 8,240.24 and 4,809.60 is: 6,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.12 : 8,240.24 = 4,809.60 : x
  2. Step 2: Convert to fraction form
    5,991.12/8,240.24 = 4,809.60/x
  3. Step 3: Cross multiply
    5,991.12x = 8,240.24 × 4,809.60
  4. Step 4: Simplify right side
    5,991.12x = 39,632,258.30
  5. Step 5: Solve for x
    x = 39,632,258.30/5,991.12
  6. Step 6: Final answer
    x = 6,615.17

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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.