Home / 4,247.76-5,855.56-3,003.60

Finding the Fourth Proportional to 4,247.76, 5,855.56 and 3,003.60

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Solution

The fourth proportional to 4,247.76, 5,855.56 and 3,003.60 is: 4,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.76 : 5,855.56 = 3,003.60 : x
  2. Step 2: Convert to fraction form
    4,247.76/5,855.56 = 3,003.60/x
  3. Step 3: Cross multiply
    4,247.76x = 5,855.56 × 3,003.60
  4. Step 4: Simplify right side
    4,247.76x = 17,587,760.02
  5. Step 5: Solve for x
    x = 17,587,760.02/4,247.76
  6. Step 6: Final answer
    x = 4,140.48

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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.