Home / 3,827.82-5,280.36-2,254.98

Finding the Fourth Proportional to 3,827.82, 5,280.36 and 2,254.98

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Solution

The fourth proportional to 3,827.82, 5,280.36 and 2,254.98 is: 3,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.82 : 5,280.36 = 2,254.98 : x
  2. Step 2: Convert to fraction form
    3,827.82/5,280.36 = 2,254.98/x
  3. Step 3: Cross multiply
    3,827.82x = 5,280.36 × 2,254.98
  4. Step 4: Simplify right side
    3,827.82x = 11,907,106.19
  5. Step 5: Solve for x
    x = 11,907,106.19/3,827.82
  6. Step 6: Final answer
    x = 3,110.68

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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.