Home / 2,551.06-3,823.31-2,220.58

Finding the Fourth Proportional to 2,551.06, 3,823.31 and 2,220.58

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Solution

The fourth proportional to 2,551.06, 3,823.31 and 2,220.58 is: 3,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.06 : 3,823.31 = 2,220.58 : x
  2. Step 2: Convert to fraction form
    2,551.06/3,823.31 = 2,220.58/x
  3. Step 3: Cross multiply
    2,551.06x = 3,823.31 × 2,220.58
  4. Step 4: Simplify right side
    2,551.06x = 8,489,965.72
  5. Step 5: Solve for x
    x = 8,489,965.72/2,551.06
  6. Step 6: Final answer
    x = 3,328.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.