Home / 3,992.48-5,510.04-2,224.64

Finding the Fourth Proportional to 3,992.48, 5,510.04 and 2,224.64

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Solution

The fourth proportional to 3,992.48, 5,510.04 and 2,224.64 is: 3,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.48 : 5,510.04 = 2,224.64 : x
  2. Step 2: Convert to fraction form
    3,992.48/5,510.04 = 2,224.64/x
  3. Step 3: Cross multiply
    3,992.48x = 5,510.04 × 2,224.64
  4. Step 4: Simplify right side
    3,992.48x = 12,257,855.39
  5. Step 5: Solve for x
    x = 12,257,855.39/3,992.48
  6. Step 6: Final answer
    x = 3,070.24

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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.