Home / 4,022.47-5,551.36-2,254.45

Finding the Fourth Proportional to 4,022.47, 5,551.36 and 2,254.45

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Solution

The fourth proportional to 4,022.47, 5,551.36 and 2,254.45 is: 3,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.47 : 5,551.36 = 2,254.45 : x
  2. Step 2: Convert to fraction form
    4,022.47/5,551.36 = 2,254.45/x
  3. Step 3: Cross multiply
    4,022.47x = 5,551.36 × 2,254.45
  4. Step 4: Simplify right side
    4,022.47x = 12,515,235.80
  5. Step 5: Solve for x
    x = 12,515,235.80/4,022.47
  6. Step 6: Final answer
    x = 3,111.33

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Half scale
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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.