Home / 4,022.80-5,551.62-2,254.35

Finding the Fourth Proportional to 4,022.80, 5,551.62 and 2,254.35

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Solution

The fourth proportional to 4,022.80, 5,551.62 and 2,254.35 is: 3,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.80 : 5,551.62 = 2,254.35 : x
  2. Step 2: Convert to fraction form
    4,022.80/5,551.62 = 2,254.35/x
  3. Step 3: Cross multiply
    4,022.80x = 5,551.62 × 2,254.35
  4. Step 4: Simplify right side
    4,022.80x = 12,515,294.55
  5. Step 5: Solve for x
    x = 12,515,294.55/4,022.80
  6. Step 6: Final answer
    x = 3,111.09

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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.