Home / 3,881.93-5,357.22-2,310.26

Finding the Fourth Proportional to 3,881.93, 5,357.22 and 2,310.26

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Solution

The fourth proportional to 3,881.93, 5,357.22 and 2,310.26 is: 3,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.93 : 5,357.22 = 2,310.26 : x
  2. Step 2: Convert to fraction form
    3,881.93/5,357.22 = 2,310.26/x
  3. Step 3: Cross multiply
    3,881.93x = 5,357.22 × 2,310.26
  4. Step 4: Simplify right side
    3,881.93x = 12,376,571.08
  5. Step 5: Solve for x
    x = 12,376,571.08/3,881.93
  6. Step 6: Final answer
    x = 3,188.25

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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.